# REID VAN LEHN — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/REID_VAN_LEHN--instructor_8d0ca9682dfd43984ccf7561) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 85abe9ff8837c2c5a134368dcc4cfc85eb723524b21ddeb3d2e953887d2f0c8f ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-11T07:45:51.576183+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## instructor ### instructor uid instructor\_8d0ca9682dfd43984ccf7561 ### source madgrades ### source instructor id 5734112 ### identity basis source\_id ### identity status source\_identified ### name REID VAN LEHN ### first observed at 2026-09-06 23:14:58.172943+00:00 ### last observed at 2026-09-07 15:55:43.033547+00:00 ### ratings #### review count 13 #### quality 5 #### difficulty 3.54 #### quality count 13 #### difficulty count 13 #### profile id rmp:2199950 #### source url #### match basis exact\_name #### observed at 2026-09-07 16:10:15.336287+00:00 #### courses ##### course b898f7610d29ecf24f516191 ###### review count 11 ###### quality 5 ###### difficulty 3.45 ###### quality count 11 ###### difficulty count 11 ##### course 1f55ebed1f1f6a86bcb82530 ###### review count 1 ###### quality 5 ###### difficulty 4 ###### quality count 1 ###### difficulty count 1 ##### course 84c12a579a2919f9d31dffb1 ###### review count 1 ###### quality 5 ###### difficulty 4 ###### quality count 1 ###### difficulty count 1 #### bayesian quality 4.187688353664603 #### prior mean 3.6596857835465957 #### prior weight 20 ### grade statistics #### gpa 3.301 #### graded 658 #### counts * 221 * 181 * 125 * 63 * 57 * 8 * 3 #### sections 73 ### current false ### courses None recorded. ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### instructor url /instructors/REID\_VAN\_LEHN--instructor\_8d0ca9682dfd43984ccf7561 ## history | term | course\_uid | course\_id | title | | ---- | -------------------------------- | ---------- | --------------------------------------------- | | 1264 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1264 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1264 | course\_2913394fa17f744c9ca18d4b | CHEM 980 | SEMINAR: REVIEW OF CURRENT RESEARCH | | 1264 | course\_c2f22eab79dc18953ecf833e | CHEM 990 | RESEARCH | | 1262 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1262 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1262 | course\_2913394fa17f744c9ca18d4b | CHEM 980 | SEMINAR: REVIEW OF CURRENT RESEARCH | | 1262 | course\_c2f22eab79dc18953ecf833e | CHEM 990 | RESEARCH | | 1254 | course\_747a04fd9cb3f877f42caedb | CBE 440 | CHEMICAL ENGINEERING MATERIALS | | 1254 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1254 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1254 | course\_2913394fa17f744c9ca18d4b | CHEM 980 | SEMINAR: REVIEW OF CURRENT RESEARCH | | 1254 | course\_c2f22eab79dc18953ecf833e | CHEM 990 | RESEARCH | | 1252 | course\_b898f7610d29ecf24f516191 | CBE 311 | THERMODYNAMICS OF MIXTURES | | 1252 | course\_84c12a579a2919f9d31dffb1 | CBE 710 | ADVANCED CHEMICAL ENGINEERING THERMODYNAMICS | | 1252 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1252 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1252 | course\_2913394fa17f744c9ca18d4b | CHEM 980 | SEMINAR: REVIEW OF CURRENT RESEARCH | | 1252 | course\_c2f22eab79dc18953ecf833e | CHEM 990 | RESEARCH | | 1244 | course\_b898f7610d29ecf24f516191 | CBE 311 | THERMODYNAMICS OF MIXTURES | | 1244 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1244 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1244 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1244 | course\_2913394fa17f744c9ca18d4b | CHEM 980 | SEMINAR: REVIEW OF CURRENT RESEARCH | | 1244 | course\_c2f22eab79dc18953ecf833e | CHEM 990 | RESEARCH | | 1242 | course\_747a04fd9cb3f877f42caedb | CBE 440 | CHEMICAL ENGINEERING MATERIALS | | 1242 | course\_1f55ebed1f1f6a86bcb82530 | CBE 562 | SPECIAL TOPICS IN CHEMICAL ENGINEERING | | 1242 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1242 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1242 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1234 | course\_926f8b8ad2dd96eabe4e7250 | CBE 547 | INTRODUCTION TO COLLOID AND INTERFACE SCIENCE | | 1234 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1234 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1232 | course\_1f55ebed1f1f6a86bcb82530 | CBE 562 | SPECIAL TOPICS IN CHEMICAL ENGINEERING | | 1232 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1232 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1224 | course\_b898f7610d29ecf24f516191 | CBE 311 | THERMODYNAMICS OF MIXTURES | | 1224 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1224 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1224 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1222 | course\_b898f7610d29ecf24f516191 | CBE 311 | THERMODYNAMICS OF MIXTURES | | 1222 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1222 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1212 | course\_1f55ebed1f1f6a86bcb82530 | CBE 562 | SPECIAL TOPICS IN CHEMICAL ENGINEERING | | 1212 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1212 | course\_062075abdd6648f62660f1fd | CBE 961 | SEMINAR-CHEMICAL ENGINEERING | | 1212 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1204 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1204 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1204 | course\_062075abdd6648f62660f1fd | CBE 961 | SEMINAR-CHEMICAL ENGINEERING | | 1204 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1202 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1202 | course\_84c12a579a2919f9d31dffb1 | CBE 710 | ADVANCED CHEMICAL ENGINEERING THERMODYNAMICS | | 1202 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1202 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1194 | course\_926f8b8ad2dd96eabe4e7250 | CBE 547 | INTRODUCTION TO COLLOID AND INTERFACE SCIENCE | | 1194 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1194 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1194 | course\_3a50095e75ecda2a43afe06b | CBE 990 | THESIS-RESEARCH | | 1192 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1192 | course\_84c12a579a2919f9d31dffb1 | CBE 710 | ADVANCED CHEMICAL ENGINEERING THERMODYNAMICS | | 1192 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1184 | course\_b898f7610d29ecf24f516191 | CBE 311 | THERMODYNAMICS OF MIXTURES | | 1184 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1184 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1182 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1182 | course\_84c12a579a2919f9d31dffb1 | CBE 710 | ADVANCED CHEMICAL ENGINEERING THERMODYNAMICS | | 1182 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1174 | course\_b898f7610d29ecf24f516191 | CBE 311 | THERMODYNAMICS OF MIXTURES | | 1174 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1174 | course\_737925bf31add1a681fea3df | CBE 890 | PRE-DISSERTATOR'S RESEARCH | | 1172 | course\_e142fa542330643c944d6f1e | CBE 599 | SPECIAL PROBLEMS | | 1172 | course\_84c12a579a2919f9d31dffb1 | CBE 710 | ADVANCED CHEMICAL ENGINEERING THERMODYNAMICS | ## timeline | term | courses | | ---- | ------- | | 1172 | 2 | | 1174 | 3 | | 1182 | 3 | | 1184 | 3 | | 1192 | 3 | | 1194 | 4 | | 1202 | 4 | | 1204 | 4 | | 1212 | 4 | | 1222 | 3 | | 1224 | 4 | | 1232 | 3 | | 1234 | 3 | | 1242 | 5 | | 1244 | 6 | | 1252 | 6 | | 1254 | 5 | | 1262 | 4 | | 1264 | 4 | ## term 1272 ## courses None recorded. ## reviews ### items ```json [ { "observed_at": "2026-09-07 16:10:15.336287+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwNDYyNDI3", "source_instructor_id": "rmp:2199950", "instructor_name": "Reid Van Lehn", "course_label": "CBE311", "course_id": "CBE 311", "course_uid": "course_b898f7610d29ecf24f516191", "review_date": "2024-12-31 00:18:33 +0000 UTC", "comment": "Prof Van Lehn was an informative and funny professor. His lectures were straightforward, although they tended to be derivation heavy with few practical examples. He provided practice problems for exams that made midterms easy to prepare for. Grading was very fair. Cons: Discussion was unhelpful and HW problems required lots of Excel/Matlab use. ", "source_url": "https://www.ratemyprofessors.com/professor/2199950", "quality_rating": 5, "difficulty_rating": 3 }, { "observed_at": "2026-09-07 16:10:15.336287+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwMzc4ODI1", "source_instructor_id": "rmp:2199950", "instructor_name": "Reid Van Lehn", "course_label": "CBE311", "course_id": "CBE 311", "course_uid": "course_b898f7610d29ecf24f516191", "review_date": "2024-12-19 06:39:52 +0000 UTC", "comment": "Prof. Van Lehn is definitely the BEST professor I've ever had, super smart and also fun. Incredibly clear lectures and explanations, inspirational homework, and fair exams with similar practice problems provided. Taking thermo with Van Lehn = success + actually learning. I really enjoyed his class and hope he can be my professor for all classes!", "source_url": "https://www.ratemyprofessors.com/professor/2199950", "quality_rating": 5, "difficulty_rating": 2 }, { "observed_at": "2026-09-07 16:10:15.336287+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwMzc4NDE1", "source_instructor_id": "rmp:2199950", "instructor_name": "Reid Van Lehn", "course_label": "CBE311", "course_id": "CBE 311", "course_uid": "course_b898f7610d29ecf24f516191", "review_date": "2024-12-19 06:08:53 +0000 UTC", "comment": "He is one of the best professors I've had at UW-Madison and tied with Murphy for best in CBE.\nModern class with tricky HW problems that allow derivation thermodynamic figures and datasets.\nExams are extremely fair. Class is tough. I didn't know thermodynamics could be taught in such a definitive way.", "source_url": "https://www.ratemyprofessors.com/professor/2199950", "quality_rating": 5, "difficulty_rating": 5 }, { "observed_at": "2026-09-07 16:10:15.336287+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM5NDYwNzIz", "source_instructor_id": "rmp:2199950", "instructor_name": "Reid Van Lehn", "course_label": "CBE311", "course_id": "CBE 311", "course_uid": "course_b898f7610d29ecf24f516191", "review_date": "2024-05-14 17:46:04 +0000 UTC", "comment": "Easily one of the best professors in the engineering department. He is extremely well liked by the students despite teaching notoriously difficult subjects. His class is challenging but the work load manageable. ", "source_url": "https://www.ratemyprofessors.com/professor/2199950", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:10:15.336287+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM5MjUzMTk2", "source_instructor_id": "rmp:2199950", "instructor_name": "Reid Van Lehn", "course_label": "CBE311", "course_id": "CBE 311", "course_uid": "course_b898f7610d29ecf24f516191", "review_date": "2024-04-24 17:55:07 +0000 UTC", "comment": "Van Lehn is a great professor. The course is very difficult, but he does his best to actually \"teach\" the material. He makes his lectures very easy to participate in by having group discussion times to help with understanding. He seems like he cares about his students' learning very much.", "source_url": "https://www.ratemyprofessors.com/professor/2199950", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:10:15.336287+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM3ODY0NDE2", "source_instructor_id": "rmp:2199950", "instructor_name": "Reid Van Lehn", "course_label": "CBE311", "course_id": "CBE 311", "course_uid": "course_b898f7610d29ecf24f516191", "review_date": "2023-05-09 00:07:17 +0000 UTC", "comment": "Extraordinary professor and person, try to learn as much as possible from him! always oriented when teaching. He's got your back. It is not an easy course at all! at times you may wanna cry, but Van Lehn is your guy. ", "source_url": "https://www.ratemyprofessors.com/professor/2199950", "quality_rating": 5, "difficulty_rating": 3 } ] ``` ### total 13 ### page 1 ### courses | course\_uid | course\_id | | -------------------------------- | ---------- | | course\_b898f7610d29ecf24f516191 | CBE 311 | | course\_1f55ebed1f1f6a86bcb82530 | CBE 562 | | course\_84c12a579a2919f9d31dffb1 | CBE 710 | ### matched true ## social Image false