[{"observed_at":"2026-09-07 16:57:02.487550+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM0NDY1MTcy","source_instructor_id":"rmp:2634041","instructor_name":"Alex Waldron","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2021-03-23 18:03:16 +0000 UTC","comment":"Mans makes you feel bad if you don't understand something. Insanely difficult and inconsistent grading. No leeway.","source_url":"https://www.ratemyprofessors.com/professor/2634041","quality_rating":2.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:56:59.030896+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI3NzMyNjAw","source_instructor_id":"rmp:2094033","instructor_name":"Alexander Hanhart","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2017-01-15 00:02:19 +0000 UTC","comment":"I managed to pass his class and actually learn something despite being frequently ill and kind of a slacker, so he must be doing something right. Not easy but totally worth it. Funny and engaging guy.","source_url":"https://www.ratemyprofessors.com/professor/2094033","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:56:59.030896+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI3NDc3MzU0","source_instructor_id":"rmp:2094033","instructor_name":"Alexander Hanhart","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2016-12-13 20:46:49 +0000 UTC","comment":"Good teacher, but the amount of homework gets annoying. He also takes an eternity to give you your grades back on exams. Overall a good choice for this class though.  Also the book is available legally on the UMich website","source_url":"https://www.ratemyprofessors.com/professor/2094033","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:55:35.597114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3MzYzOTUx","source_instructor_id":"rmp:394755","instructor_name":"Andreas Seeger","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-01-21 22:35:24 +0000 UTC","comment":"Professor Seeger took over class about 1/3 of the way through the year, and he was very accommodating. He made himself as available as possible outside of class, encouraged us to ask questions, was fair about homework deadlines, and provided review sheets that prepared us for the exams. Excellent professor. ","source_url":"https://www.ratemyprofessors.com/professor/394755","quality_rating":5.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:55:35.597114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3MjQ0MTU2","source_instructor_id":"rmp:394755","instructor_name":"Andreas Seeger","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-12-26 04:45:08 +0000 UTC","comment":"Great professor, and really cared about the class. If you show that you are putting in effort, he is very friendly and will help you out with the class. ","source_url":"https://www.ratemyprofessors.com/professor/394755","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:55:35.597114+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE1MjcxMTU4","source_instructor_id":"rmp:394755","instructor_name":"Andreas Seeger","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2008-12-23 17:33:05 +0000 UTC","comment":"Obviously brilliant, but has difficulty in explaining his thoughts in a way that is understandable. Does very few actual examples in class - tests were often quite difficult, almost no one scores above 50%. Luckily if you go to class and make a serious effort, you'll almost certainly get a decent grade.","source_url":"https://www.ratemyprofessors.com/professor/394755","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:54:26.927644+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM1MTQzMzMy","source_instructor_id":"rmp:2679089","instructor_name":"Antoine Remond-Tiedrez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2021-10-21 16:30:31 +0000 UTC","comment":"I enjoyed taking Math421 with Antoine! Math 421 is a hard course for sure, but Antoine made clear notes and his classes were easy to follow. He is a pretty nice person and would love to provide help outside the classroom. But the exams are kind of hard(i'm not a math major student) for me. Learnt a lot from this course!","source_url":"https://www.ratemyprofessors.com/professor/2679089","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:54:26.927644+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM0NDY0MjU4","source_instructor_id":"rmp:2679089","instructor_name":"Antoine Remond-Tiedrez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2021-03-23 14:35:35 +0000 UTC","comment":"ANTOINE is a good person, not good at teaching . Math 421 is not an easy class, he doesn't know how to let his student understand to solve the problem even though he knows. I don't recommend taking his class if you have another choice.","source_url":"https://www.ratemyprofessors.com/professor/2679089","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:48:31.231045+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0ODQyNTY2","source_instructor_id":"rmp:1940497","instructor_name":"Christine Offerman","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2015-05-15 19:23:33 +0000 UTC","comment":"The lectures are taught clearly and the homework clearly reflects the lectures. She also gives time to ask homework questions where she gives tips on starting proofs. However, the exams are NOT easy with all three averages in the 60's this semester. Study all the material well and memorize how to do all proofs for the exams. ","source_url":"https://www.ratemyprofessors.com/professor/1940497","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:48:31.231045+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0ODMxNTA0","source_instructor_id":"rmp:1940497","instructor_name":"Christine Offerman","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2015-05-14 15:29:37 +0000 UTC","comment":"She's a pretty strict grader on tests and homework assignments were thorough to say the least. Her lectures are beautifully organized, but she moves through material so quickly you often miss out on explanations. Tests were incredibly straight forward, with questions always coming from homework (which she reviews during class) or lecture examples. ","source_url":"https://www.ratemyprofessors.com/professor/1940497","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:43:18.913364+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI3NjE1NjM5","source_instructor_id":"rmp:2142977","instructor_name":"Donghyun Lee","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2016-12-24 00:49:23 +0000 UTC","comment":"He's not bad, especially for a young-ish professor from Asia. He's not that hard to understand. His lectures are pretty fast-paced and doesn't usually stop for questions, but he also goes over a lot of homework in class. The homework can be really hard but he's an easy grader. To be fair, the textbook itself is super intense. (Calculus - Spivak)","source_url":"https://www.ratemyprofessors.com/professor/2142977","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:39:13.258768+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE4OTM1NTgx","source_instructor_id":"rmp:1277603","instructor_name":"Florian Bertrand","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2011-08-20 02:09:43 +0000 UTC","comment":"he's a great professor! but he has left Math department this summer already, he's back to Europe :(","source_url":"https://www.ratemyprofessors.com/professor/1277603","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 16:39:13.258768+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE3Mzc5ODE5","source_instructor_id":"rmp:1277603","instructor_name":"Florian Bertrand","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2010-06-30 09:46:36 +0000 UTC","comment":"Amazing professor! He doesn't present enough proofs in class, but he's always willing to walk you through any proof in office hours. Plus he's really good looking which motivates you to attend class. He really wants you to understand everything and is willing to help you even with concepts in the book beyond the class material. Take him if you can!","source_url":"https://www.ratemyprofessors.com/professor/1277603","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 16:39:13.258768+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE3MjcyMTM3","source_instructor_id":"rmp:1277603","instructor_name":"Florian Bertrand","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2010-05-26 18:32:05 +0000 UTC","comment":"A math teacher who actually wants you to understand what he's teaching.  Strange!  However, his tests can be extremely challenging and slightly different from what you've learned in class, so make sure you know the material well.","source_url":"https://www.ratemyprofessors.com/professor/1277603","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:38:15.943133+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMyNDI1NTE2","source_instructor_id":"rmp:593639","instructor_name":"Gloria Mari-Beffa","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-11-16 17:30:11 +0000 UTC","comment":"I only had Gloria as a sub one time, but just from that one class I can tell that she's a good professor, which is a rare sight here @ UW. I wanted to post this review and point out that most of the negative reviews about Gloria are from younger students who took calc 1/2 with her, and that they likely weren't anticipating college math to be hard.","source_url":"https://www.ratemyprofessors.com/professor/593639","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:38:15.943133+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTEzOTExNzgx","source_instructor_id":"rmp:593639","instructor_name":"Gloria Mari-Beffa","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2007-12-26 20:00:41 +0000 UTC","comment":"Excellent professor.  Teaches very clearly and precisely.  Difficult course, but learned a lot.  Shares interesting anecdotes, as well.","source_url":"https://www.ratemyprofessors.com/professor/593639","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:38:08.679563+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQyNTk4NzUz","source_instructor_id":"rmp:2743614","instructor_name":"Grace Work","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2026-02-10 04:04:31 +0000 UTC","comment":"Teaches very clearly. If you go to lecture, you will do well in the course. Kind, clear voice, straight forward, well prepared. Some people said the homeworks were hard and harshly graded (not graded by her) but I did not have this experience at all. ","source_url":"https://www.ratemyprofessors.com/professor/2743614","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:38:08.679563+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQyNTIzNzEz","source_instructor_id":"rmp:2743614","instructor_name":"Grace Work","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2026-01-20 17:25:32 +0000 UTC","comment":"Amazing lectures, breaks down the concepts very clearly and motivates them with examples before working through the formal proofs. While the homework given is often challenging, it directly prepares you for the exams given. Overall one of my favorite mathematics professors so far!","source_url":"https://www.ratemyprofessors.com/professor/2743614","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:38:08.679563+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQyMzUzNzcz","source_instructor_id":"rmp:2743614","instructor_name":"Grace Work","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-12-20 00:29:06 +0000 UTC","comment":"Great lecture style, walks you through the content and is really good about answering questions as you go. Homework is tough, but prepares you well for the exams and Grace is really helpful during office hours. Posts lots of material to help you prepare for the exams, which were tough, but fair in my opinion. Overall one of my favorite professors.","source_url":"https://www.ratemyprofessors.com/professor/2743614","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:38:08.679563+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQyMTYxODAz","source_instructor_id":"rmp:2743614","instructor_name":"Grace Work","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-12-11 00:09:36 +0000 UTC","comment":"I had Grace for Math 421 this semester. Overall she is a good teacher and expectations are clear. Exams were on the harder side but manageable. I think she is a good teacher for 421.","source_url":"https://www.ratemyprofessors.com/professor/2743614","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:38:08.679563+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQxMTc2NzAw","source_instructor_id":"rmp:2743614","instructor_name":"Grace Work","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-05-06 15:30:19 +0000 UTC","comment":"I took this class this semester because she was teaching it and had heard good things. She breaks down material in a way that is understandable (almost like a high school class), she has lots of opportunities for students to engage with the material. She answers questions and teaches so that you find the answer on your own, which is impressive. ","source_url":"https://www.ratemyprofessors.com/professor/2743614","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:38:08.679563+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwNjg5ODg1","source_instructor_id":"rmp:2743614","instructor_name":"Grace Work","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-02-20 03:09:45 +0000 UTC","comment":"Doesn't really help you when you ask questions. Will give you \"things to think about\", but if you're stuck then they just confuse you more. Basically if you don't understand something it's up to you to figure it out. ","source_url":"https://www.ratemyprofessors.com/professor/2743614","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:38:08.679563+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3OTM0Mzc1","source_instructor_id":"rmp:2743614","instructor_name":"Grace Work","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-05-16 08:46:36 +0000 UTC","comment":"Worst professor and the toughest grader I have ever met in math classes. The median of each exam is only 50, but the final curve is 90A 85AB 80B. Can't imagine who can get an A in this class. After my calculation, you can only receive C if you are median in every exam.","source_url":"https://www.ratemyprofessors.com/professor/2743614","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:33:30.126526+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTIyNzEyMTc1","source_instructor_id":"rmp:1867235","instructor_name":"Jennifer Beichman","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2014-01-07 14:50:55 +0000 UTC","comment":"Jen is a very good instructor who brings a lot of energy to her lectures.  Would recommend.","source_url":"https://www.ratemyprofessors.com/professor/1867235","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:31:58.923827+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTEwMDYxMzU4","source_instructor_id":"rmp:202885","instructor_name":"Joel Robbin","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2005-07-26 12:49:00 +0000 UTC","comment":"Good prof. A bit unorganized but helpful and empathetic to students. Very smart. Wide range of knowledge.","source_url":"https://www.ratemyprofessors.com/professor/202885","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:30:27.091776+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMyNzI1ODIz","source_instructor_id":"rmp:2432572","instructor_name":"Jose Rodriguez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-12-20 02:58:38 +0000 UTC","comment":"Genuinely wants his students to succeed. He gives opportunities for "bonus points" to help boost assignment, quiz, and/or exam grades by a point or two. Explains material well, and does his best to answer any questions or explain problems more thoroughly when asked. Easy to understand and presents material clearly. Very friendly.","source_url":"https://www.ratemyprofessors.com/professor/2432572","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:30:27.091776+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMxNzQxNzE3","source_instructor_id":"rmp:2432572","instructor_name":"Jose Rodriguez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-05-02 03:15:35 +0000 UTC","comment":"PROS: pretty nice guy, hw workload is not bad, pretty fair exams(closely follows hw+textbook). Website is always updated with info. CONS: not bad but not the best teacher. Expect to self-learn most of the content by yourself. Is a little picky about proof writing. OVERALL: Won't be your favorite class but you won't hate/suffer in the class.","source_url":"https://www.ratemyprofessors.com/professor/2432572","quality_rating":3.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 16:30:27.091776+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMxNDQxMTIw","source_instructor_id":"rmp:2432572","instructor_name":"Jose Rodriguez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-03-15 19:10:18 +0000 UTC","comment":"Class is so useless. Answers to HW are online and tests are literally homework problems taken from book. Professor himself is a dud. Cant teach, cant answer questions, is very rude in lecture, and has horrible handwriting. I'd recommend only going to class to turn in homework since he cant teach anyways so no point in even attending.","source_url":"https://www.ratemyprofessors.com/professor/2432572","quality_rating":1.0,"difficulty_rating":1.0},{"observed_at":"2026-09-07 16:30:27.091776+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMxNDEyNjUz","source_instructor_id":"rmp:2432572","instructor_name":"Jose Rodriguez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-03-07 07:16:12 +0000 UTC","comment":"Professor Rodriguez is a nice guy but he expects you to know a lot of your stuff beforehand. Sometimes when we ask questions, he himself cant answer them which can be frustrating but if you give him some time and then ask him again, hell think about it and give you an answer.","source_url":"https://www.ratemyprofessors.com/professor/2432572","quality_rating":3.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:30:27.091776+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMxMzc0Mjgz","source_instructor_id":"rmp:2432572","instructor_name":"Jose Rodriguez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-02-22 20:44:25 +0000 UTC","comment":"He does not how to teach at all.","source_url":"https://www.ratemyprofessors.com/professor/2432572","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:30:27.091776+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMwODIyNDUz","source_instructor_id":"rmp:2432572","instructor_name":"Jose Rodriguez","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2018-11-30 01:42:26 +0000 UTC","comment":"Jose is seriously the best, you guys. He cares SO much about being a good teacher, and makes sure to answer any questions as soon as you raise your hand. He also writes all of his notes on the board so its not hard to keep up during lecture. Plus, nearly all of the exam problems are from homework problems. LOVE this guy.","source_url":"https://www.ratemyprofessors.com/professor/2432572","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:23:54.846088+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMwNDIwNTM2","source_instructor_id":"rmp:1408142","instructor_name":"Laurentiu Maxim","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2018-08-10 01:21:23 +0000 UTC","comment":"Great class! Maxim is awesome! Very helpful outside of the class!","source_url":"https://www.ratemyprofessors.com/professor/1408142","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:23:54.846088+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMwNDIwNTI5","source_instructor_id":"rmp:1408142","instructor_name":"Laurentiu Maxim","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2018-08-10 01:19:43 +0000 UTC","comment":"421 is a great math class. Maxim is a smart professor, and he explains things well. Very helpful outside of the class. I would 100% recommend taking his class.","source_url":"https://www.ratemyprofessors.com/professor/1408142","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:19:34.539506+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMzNzE4NjY0","source_instructor_id":"rmp:2423562","instructor_name":"Matthew Schrecker","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2020-10-20 23:00:15 +0000 UTC","comment":"Gave clear and easy-to-understand lectures. Addressed students' questions clearly. Very approachable during office hours.","source_url":"https://www.ratemyprofessors.com/professor/2423562","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:19:34.539506+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMzMzYyMjg4","source_instructor_id":"rmp:2423562","instructor_name":"Matthew Schrecker","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2020-05-24 01:23:04 +0000 UTC","comment":"Math 421 is not easy, but his style is clear and straight forward. The weekly HW is harder than exam, and the exam is comparably fine for me. He will reply email pretty fast, very good professor, lectures are pretty clear. He is the only Prof I recommend even when it turns to online due to COVID, pretty good prof.","source_url":"https://www.ratemyprofessors.com/professor/2423562","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:19:34.539506+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMzMjQ2MzU0","source_instructor_id":"rmp:2423562","instructor_name":"Matthew Schrecker","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2020-05-09 00:53:31 +0000 UTC","comment":"Professor Schrecker is the best professor Ive had at Madison. He talks fast but is always willing to stop and answer questions. He responds to emails faster than anyone and gives great feedback. Homework and tests are very straightforward and fair.","source_url":"https://www.ratemyprofessors.com/professor/2423562","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:19:34.539506+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMzMjAyMjU4","source_instructor_id":"rmp:2423562","instructor_name":"Matthew Schrecker","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2020-05-05 01:13:45 +0000 UTC","comment":"He speaks so fast that you can never follow him. Many of us are still coping notes from the blackboard, but he already begins a new topic. Also, he does not explain things that clear. I found many contradictions of his theorem and examples, and I had to spend extra time asking him or classmates.","source_url":"https://www.ratemyprofessors.com/professor/2423562","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:16:53.328021+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI2MTg3MjQx","source_instructor_id":"rmp:2061976","instructor_name":"Minh Binh Tran","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2016-03-26 22:19:11 +0000 UTC","comment":"Professor Binh is awesome!  He is incredibly helpful in class and office hours.  He really cares if you understand or not and is very patient.  He is also a lot of fun and grading is very fair.  He even gives puzzle challenges for extra credit!","source_url":"https://www.ratemyprofessors.com/professor/2061976","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:16:53.328021+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI1MzgxNTYx","source_instructor_id":"rmp:2061976","instructor_name":"Minh Binh Tran","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2015-11-10 14:33:56 +0000 UTC","comment":"A very helpful professor. Organizes contents well and explains things clearly","source_url":"https://www.ratemyprofessors.com/professor/2061976","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:12:37.537792+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE5NjIyOTA5","source_instructor_id":"rmp:1674129","instructor_name":"Patrick Lavictoire","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2011-12-26 14:13:32 +0000 UTC","comment":"Patrick is a funny guy and a pretty good professor. Hard homework, pretty tough exams, but 421 is a good intro to proof class. I would (and am!) taking a class taught by Patrick again.","source_url":"https://www.ratemyprofessors.com/professor/1674129","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:09:06.075539+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM2MTYzMDA=","source_instructor_id":"rmp:130332","instructor_name":"Ronald Dickey","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2005-04-13 10:23:32 +0000 UTC","comment":"Professor Dickey obviously understands the material, but his presentation is in such a fashion that you have to figure out a lot of the stuff by yourself.  I wouldn't have minded this if it was a lower level math class, but in higher levels this is just frustrating.","source_url":"https://www.ratemyprofessors.com/professor/130332","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:05:34.119603+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMyODg2OTU4","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2020-02-03 18:28:09 +0000 UTC","comment":"Sigurd is the best math professor I had at this school. Actually he is definitely one of the best professors I have during my college career. He is very friendly, respectful and helpful. I would love to take his class again.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:05:34.119603+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMyNzM3ODIz","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-12-21 15:50:24 +0000 UTC","comment":"I took math 421 with Sigurd and I say he is the best math professor I ever had at this school. He is respectful and helpful. His lectures are very useful and we dont even need to buy textbooks. Id love to take his classes again.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:05:34.119603+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMyNjY4MjIx","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-12-15 20:27:02 +0000 UTC","comment":"Such a great professor. He explains the "why" behind difficult concepts, which makes it all make sense. Real Analysis can be a tough subject but his exams and homework are fair and you really learn so much. He cares about his students.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:05:34.119603+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMyNjQ5MjYx","source_instructor_id":"rmp:262518","instructor_name":"Sigurd Angenent","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2019-12-13 21:18:57 +0000 UTC","comment":"Professor Angenent was very clear in lectures and was careful to walk through difficult topics with lots of examples and intuitive reasoning. He is an extremely friendly person and is always helpful in his office hours. Practice exams are very indicative of the actual exams; there are no surprises. I would be glad to take another course with him.","source_url":"https://www.ratemyprofessors.com/professor/262518","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:05:30.349155+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM5Mzk2MDk5","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-05-07 21:26:09 +0000 UTC","comment":"As someone with little background in proofs, this course required effort outside of class and in office hours. He explains concepts very clearly and coherently, but sometimes glosses over points that he (and other more advanced students) just assume. He doesn't give straight answers but is good at leading students to figure out the answer. ","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":4.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:05:30.349155+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM5Mzc3NDE1","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-05-06 16:09:27 +0000 UTC","comment":"Simon is clear, he answers questions well, and he doesn't assign too much work. The lectures mostly just go over the proofs from the readings in more detail, so if you read the assigned reading and understand it, you don't really need to go to class (but it's still fun to). Make some friends in the class and do the homework together.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 16:05:30.349155+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM5MTM3MDgy","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-04-20 13:42:38 +0000 UTC","comment":"Professor Marshall wasted a lot of time in class going over topics he found interesting rather than what was on tests. Then when test time came he was very rigorous about proof standards he refused to elaborate on. Getting him to answer a direct question was nearly impossible at times.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":1.0,"difficulty_rating":1.0},{"observed_at":"2026-09-07 16:05:30.349155+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3NTEzNTI0","source_instructor_id":"rmp:1972415","instructor_name":"Simon  Marshall","course_label":"math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-03-17 14:31:17 +0000 UTC","comment":" Marshall is a good professor. He is knowledgable, and always talks about some important points and then lists some exercises and helps students to understand or figure out them one on one. The exams are not too difficult, but Marshall deducts points relatively harshly if there is a little mistake in your proof. Overall not a bad experience.","source_url":"https://www.ratemyprofessors.com/professor/1972415","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3Nzg4NjMy","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-05-02 16:18:23 +0000 UTC","comment":"You will have no clue what is going on.","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3Nzg4NTA5","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-05-02 16:11:06 +0000 UTC","comment":"Very hard to understand and tends to use examples that haven't been taught yet or that requires a higher level of math knowledge.","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3MzYzOTk1","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-01-21 22:54:14 +0000 UTC","comment":"Professor Schulz only taught my class for the first 1/3 of the semester. He posted his lecture notes to Canvas, but the lectures themselves were so incredibly rushed that the content was impossible to understand. His review materials for our first midterm had little to do with the actual exam. He almost never answered Piazza questions.","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":2.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM2ODU3OTIx","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-11-17 21:29:56 +0000 UTC","comment":"Take Math 421 with someone else. Absolutely horrible, worst math professor I have ever had. The lectures were so confusing and everything went over my head. If you want to learn how to write calculus proofs, take the class with someone else. Please please please do not make the same mistake I did and take this class with someone else! Avoid!!!!!!!!","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM2ODU3Nzkw","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-11-17 21:17:50 +0000 UTC","comment":"Absolute horrible, joke of a prof. Get ready for a 50 minute lecture that no one in the class understands. Never looks back to class to look for questions, never gives intuition on how to write proofs when lecturing. Review guide for first exam was nothing like the test. Said he was postponing midterm, then made us take it when originally scheduled","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM2Njk3MTYx","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-10-13 02:26:38 +0000 UTC","comment":"Does not know how to teach, just blows through examples without explaining the bigger picture, everyone is too lost to even know what questions to ask. Average on the first midterm was a 50%. Stay away.","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM2NjkxNjcx","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-10-11 16:54:04 +0000 UTC","comment":"Worst Professor I have ever had. Can't teach anything, just writes what is on his lecture notes in class. Does not provide clear information for any tests.","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM2MzczNzI4","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-05-19 06:17:47 +0000 UTC","comment":"Very responsible professor, he gives out very detailed lecture notes and treat students patiently.","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM1ODA3OTkz","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-01-28 17:18:56 +0000 UTC","comment":"Nice guy who gives notes about lectures, which are quite related to exam. Explains proofs well.","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:05:29.829507+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM1Njg0MTc4","source_instructor_id":"rmp:2742852","instructor_name":"Simon Schulz","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2022-01-01 20:20:23 +0000 UTC","comment":"Very nice professor!","source_url":"https://www.ratemyprofessors.com/professor/2742852","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 16:05:01.368165+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI0ODQ3MTk3","source_instructor_id":"rmp:133058","instructor_name":"Steffen Lempp","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2015-05-16 16:50:47 +0000 UTC","comment":"Really nice guy who wants to see students do well. Exams make you think but are fair. It is pretty obvious when you don't know the material in this course so don't expect much partial credit on anything. I would take a course with him again ","source_url":"https://www.ratemyprofessors.com/professor/133058","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:04:26.490822+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE3OTE2MDI4","source_instructor_id":"rmp:1344223","instructor_name":"Sukhendu Mehrotra","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2010-12-11 21:30:47 +0000 UTC","comment":"He spends a lot of time helping students and explains concepts clearly. He is very personable, approachable, and patient, and will help anyone who asks. I would definitely take more classes from him if I had a chance!","source_url":"https://www.ratemyprofessors.com/professor/1344223","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:04:26.490822+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE3NDMwNzI1","source_instructor_id":"rmp:1344223","instructor_name":"Sukhendu Mehrotra","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2010-07-19 02:51:04 +0000 UTC","comment":"Extremely great and patient professor. I would like to be taught by him again. =D","source_url":"https://www.ratemyprofessors.com/professor/1344223","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-09-07 16:02:15.674849+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQxNzkzOTMz","source_instructor_id":"rmp:2968678","instructor_name":"Thierry Laurens ","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-11-03 19:45:31 +0000 UTC","comment":"Math 211 was not an option but was what I took, great professor, explains things very well, no trig, much easier than AP calc, 2 midterms and 1 final make up the grade with weekly homework and discussion quizzes only worth 2% of your grade.","source_url":"https://www.ratemyprofessors.com/professor/2968678","quality_rating":5.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 16:02:15.674849+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQxNTU2NTk3","source_instructor_id":"rmp:2968678","instructor_name":"Thierry Laurens ","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-08-07 21:28:30 +0000 UTC","comment":"I made an account just to talk about how awesome this professor was. I did not need to read the book a single time. Lectures were very clear and very concise. Homework problems felt like discovering theorems yourself, and prepares you very well for exams. Answers questions perfectly. I only got a B because I didn't review my notes, purely my fault.","source_url":"https://www.ratemyprofessors.com/professor/2968678","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:02:15.674849+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwNjM1MDYw","source_instructor_id":"rmp:2968678","instructor_name":"Thierry Laurens ","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-02-03 22:16:01 +0000 UTC","comment":"Amazing professor, one of the best in the math department. Lectures were very clear, professor responded often and in-depth on piazza. Exams were easy if you understood the homework.","source_url":"https://www.ratemyprofessors.com/professor/2968678","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:02:15.674849+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwMzgyNzQ0","source_instructor_id":"rmp:2968678","instructor_name":"Thierry Laurens ","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-12-19 17:33:03 +0000 UTC","comment":"Good lecturer who is responsive to questions on Piazza. The course if challenging if you're new to proofs, but he made it a pleasant experience overall. Be aware that practice exams are useful for gauging the length of the real exams, but not the content. He replaces your lowest midterm grade with the final if it helps you, which is nice. ","source_url":"https://www.ratemyprofessors.com/professor/2968678","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:02:15.674849+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwMzQwNTU3","source_instructor_id":"rmp:2968678","instructor_name":"Thierry Laurens ","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-12-17 05:44:19 +0000 UTC","comment":"I took him for Math 415 (not listed on rate my professor) and he was great! By far the best lecturer I've had in the UW math dept; with no real experience in ODEs, he made the subject both interesting and easy to digest for me. His grading and lectures were very student friendly and followed the textbook closely, which made studying a lot easier. ","source_url":"https://www.ratemyprofessors.com/professor/2968678","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:02:15.674849+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM4OTIxNzg1","source_instructor_id":"rmp:2968678","instructor_name":"Thierry Laurens ","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-01-24 23:13:31 +0000 UTC","comment":"Great honor to have him at his first class at UW-Madison!  It shows he spends a lot of time crafting his lectures and responding to students in great details.  Treats us with a lot of respect and will go out of his way to make sure you understand why the answer is the way it is.  ","source_url":"https://www.ratemyprofessors.com/professor/2968678","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:02:15.674849+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM4Njg2Njc3","source_instructor_id":"rmp:2968678","instructor_name":"Thierry Laurens ","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-12-15 05:25:03 +0000 UTC","comment":"Has clear lectures that are well organized. He always asks if there are any questions and office hours are a must! His piazza answers are very detailed, often much more so than you expect. He cares a lot about his students and wants to give any resources that help them succeed. The tests are closely based on the homework and are fair.","source_url":"https://www.ratemyprofessors.com/professor/2968678","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:02:12.749699+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3NjcxMzcz","source_instructor_id":"rmp:2896307","instructor_name":"Thomas Chandler","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-04-20 04:54:36 +0000 UTC","comment":"Simply the best Math professor I have ever had. Even though the questions in homework and exams are pretty hard, he is able to make them fun. Great sense of accomplishment, reasonable grading. Doing homework for this class is the best part of my week for this semester so far. He is talented and also inspirational. Really cares about students. ","source_url":"https://www.ratemyprofessors.com/professor/2896307","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 16:02:12.749699+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3NjMxOTg0","source_instructor_id":"rmp:2896307","instructor_name":"Thomas Chandler","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2023-04-14 04:35:44 +0000 UTC","comment":"Professor Chandler is probably the best math teacher I've had at UW. He explains things extraordinarily well and answers student questions diligently. He is also very kind and clearly cares about both the learning and overall well-being of his students. If you have the opportunity to take a course with Professor Chandler, I highly recommend it.","source_url":"https://www.ratemyprofessors.com/professor/2896307","quality_rating":5.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 15:58:41.522075+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTEyODEzMjY5","source_instructor_id":"rmp:517842","instructor_name":"Xianghong Gong","course_label":"MATH421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2007-01-24 01:24:44 +0000 UTC","comment":"Arrived at class on the first day only to be shocked by his inability to communicate the material effectively.  When I raised this concern to him he was extremely defensive and unwilling to attempt to improve his instruction.  I immediately dropped the class.  Avoid him at all cost.","source_url":"https://www.ratemyprofessors.com/professor/517842","quality_rating":1.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 15:58:01.953760+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQyNTQ1NzI3","source_instructor_id":"rmp:3041657","instructor_name":"Yayi Fu","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2026-01-24 23:52:03 +0000 UTC","comment":"Worst instructor ever, only read her notes on lecture as a reading software does. HW and exam are not relavent, HW super difficult no one can finish without using ChatGPT, exams are all about proof theorems in the notes, which became writing and memorizing for almost everyone, if every instructor teach like her, UWMadison math department are done ","source_url":"https://www.ratemyprofessors.com/professor/3041657","quality_rating":1.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 15:58:01.953760+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQxMjE3MDc4","source_instructor_id":"rmp:3041657","instructor_name":"Yayi Fu","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-05-08 21:28:58 +0000 UTC","comment":"Took this in the spring the lectures are b- quality but the final was way beyond the scope of the review and completely went over topics heavily studied in the class and was honestly frustrating to take","source_url":"https://www.ratemyprofessors.com/professor/3041657","quality_rating":2.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 15:58:01.953760+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwNTA1MDcx","source_instructor_id":"rmp:3041657","instructor_name":"Yayi Fu","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2025-01-08 02:05:56 +0000 UTC","comment":"Truly terrible. Textbook proofs contradicted lecture proofs. She went against the traditional book Spivak that they always use. She actually whispers lectures, and what people are saying is true SO BORING. I self studied some logic and proofs but this was breezed over within 1 lecture... no intro to proof in an intro to proof course.","source_url":"https://www.ratemyprofessors.com/professor/3041657","quality_rating":1.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 15:58:01.953760+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwNDE1NTI4","source_instructor_id":"rmp:3041657","instructor_name":"Yayi Fu","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-12-22 15:35:03 +0000 UTC","comment":"Lectures are very dense. I felt I learned so much from this class. Dr. Fu is very committed to rigor and correctness. I would not recommend this class if you have never done any proofs before, but if you have had some expose to proof writing I highly recommend.  Exams and hwk are pretty easy.","source_url":"https://www.ratemyprofessors.com/professor/3041657","quality_rating":4.0,"difficulty_rating":2.0},{"observed_at":"2026-09-07 15:58:01.953760+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwNDAxNTY2","source_instructor_id":"rmp:3041657","instructor_name":"Yayi Fu","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-12-20 22:49:22 +0000 UTC","comment":"The lectures are very dense, but her notes are really clear and hints are helpful to get fully understood. She replies piazza within minutes and is a kind grader. Math needs the process of individual thinking and hints when you are stuck, her notes perfectly help with this, at least for me.","source_url":"https://www.ratemyprofessors.com/professor/3041657","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 15:58:01.953760+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwMzY2ODky","source_instructor_id":"rmp:3041657","instructor_name":"Yayi Fu","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-12-18 19:33:33 +0000 UTC","comment":"Dr. Fu is clearly knowledgeable about the subject topic, and conveys it well. Homework is moderately difficult but outside help and resources are allowed, and grading is lenient. Tests use material you've seen before, and are easy if you've studied. Material from the textbook was used, but it was not necessary to have. Well-prepared for 521.","source_url":"https://www.ratemyprofessors.com/professor/3041657","quality_rating":4.0,"difficulty_rating":3.0},{"observed_at":"2026-09-07 15:58:01.953760+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQwMzMyNjIy","source_instructor_id":"rmp:3041657","instructor_name":"Yayi Fu","course_label":"Math421","course_id":"MATH 421","course_uid":"course_4aa5bbed0c86993f5f0dc832","review_date":"2024-12-17 01:51:06 +0000 UTC","comment":"This is the worst math professor I had at UW-Madison. She does not explain any of the concepts; instead you writes on a pdf, and just has you copy it. That's it. The exams are memorization focused. No thinking for yourself. She uses an actual real analysis, even though this is more of a learn how to write proofs class. Go with the other professor.","source_url":"https://www.ratemyprofessors.com/professor/3041657","quality_rating":1.0,"difficulty_rating":5.0}]