# Eric Bach — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/ERIC_BACH--instructor_f68916f8d4ed6cdacde6f9a6) ## Dataset ### search projection #### version 1 #### 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 ### revision b68f68efcd3387a01fee00416f57beb6d43f3bcb ### repository twangodev/uwcourses ### schema version 6 ### importer version 8 ### projection id 84ef894187d6e25cdc7581be1fb1349a5254613f3a20ecbb5eb766fbfcb3e68b ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-10-04T15:23:21.818911+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 | ### designations None recorded. ## instructor ### instructor uid instructor\_f68916f8d4ed6cdacde6f9a6 ### source legacy ### identity basis name\_only ### identity status unresolved ### name Eric Bach ### email BACH\@CS.WISC.EDU ### first observed at 2025-12-03 12:33:41.418072+00:00 ### last observed at 2026-09-07 15:55:43.033547+00:00 ### ratings #### review count 59 #### quality 2.15 #### difficulty 4.53 #### quality count 59 #### difficulty count 59 #### profile id rmp:125529 #### source url #### match basis exact\_name #### observed at 2026-09-07 16:40:46.468571+00:00 #### courses ##### course 2e71825a82859020279c78b8 ###### review count 10 ###### quality 1.8 ###### difficulty 4.5 ###### quality count 10 ###### difficulty count 10 ##### course 1c792cd171ebabb5c5548c07 ###### review count 1 ###### quality 5 ###### difficulty 4 ###### quality count 1 ###### difficulty count 1 ##### course de12e29109d0c90ee086fcec ###### review count 21 ###### quality 2.33 ###### difficulty 4.29 ###### quality count 21 ###### difficulty count 21 ##### course 1789820d64d4298321fc24d2 ###### review count 1 ###### quality 5 ###### difficulty 5 ###### quality count 1 ###### difficulty count 1 ##### course 9a1a7bf1933981bcbaca47ac ###### review count 21 ###### quality 1.86 ###### difficulty 4.76 ###### quality count 21 ###### difficulty count 21 #### bayesian quality 2.5321989325434417 #### prior mean 3.6596857835465957 #### prior weight 20 ### current false ### courses None recorded. ### revision b68f68efcd3387a01fee00416f57beb6d43f3bcb ### instructor url /instructors/ERIC\_BACH--instructor\_f68916f8d4ed6cdacde6f9a6 ## history None recorded. ## timeline None recorded. ## term 1272 ## courses None recorded. ## reviews ### items ```json [ { "observed_at": "2026-09-07 16:40:46.468571+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM4MDU0NjUx", "source_instructor_id": "rmp:125529", "instructor_name": "Eric Bach", "course_label": "CS435", "course_id": "COMPSCI/ECE/MATH 435", "course_uid": "course_2e71825a82859020279c78b8", "review_date": "2023-12-30 09:14:04 +0000 UTC", "comment": "CS435 was very enjoyable. Lectures were well organized & helpful. Not recorded, so attendance was necessary to learn the content well (but not required). Homeworks are difficult but interesting to work through for someone interested in the subject. Exams are easier than HWs. Bach is available plenty outside of class and is very helpful during OHs.", "source_url": "https://www.ratemyprofessors.com/professor/125529", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:40:46.468571+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM4MjA4MzM4", "source_instructor_id": "rmp:125529", "instructor_name": "Eric Bach", "course_label": "CS787", "course_id": "COMPSCI 787", "course_uid": "course_1c792cd171ebabb5c5548c07", "review_date": "2023-09-07 18:54:47 +0000 UTC", "comment": "CS787 advanced algorithms is a hard course. Prof Bach made the course approachable. He was willing to explain the topic and answer questions, whichever is asked at class. He definitely made it less intimidating to learn. Workload is average (2 hws + 1 exams).", "source_url": "https://www.ratemyprofessors.com/professor/125529", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:40:46.468571+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM3OTUxMDIy", "source_instructor_id": "rmp:125529", "instructor_name": "Eric Bach", "course_label": "CS435", "course_id": "COMPSCI/ECE/MATH 435", "course_uid": "course_2e71825a82859020279c78b8", "review_date": "2023-05-18 03:45:22 +0000 UTC", "comment": "Professor Bach is a nice enough guy, but he is a terrible professor! He presents the material without any real clear direction, and half the time stands in front of what he just wrote, making note-taking a nightmare. The homeworks are impossible, but the exams tend to be a little easier and you can muddle your way through them. AVOID!", "source_url": "https://www.ratemyprofessors.com/professor/125529", "quality_rating": 1, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:40:46.468571+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM3OTAxNjE4", "source_instructor_id": "rmp:125529", "instructor_name": "Eric Bach", "course_label": "CS577", "course_id": "COMPSCI 577", "course_uid": "course_de12e29109d0c90ee086fcec", "review_date": "2023-05-11 21:39:34 +0000 UTC", "comment": "Bach is quite good. He's a little old school and only lectures on a chalkboard, however, he tries to put up relevant material on the website. He's slow to grade, but overall, a very good professor who knows his stuff. He also writes his own fresh problem sets fresh every semester with novel problems and takes feedback actively for class ", "source_url": "https://www.ratemyprofessors.com/professor/125529", "quality_rating": 5, "difficulty_rating": 2 }, { "observed_at": "2026-09-07 16:40:46.468571+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM3MzY4MTQ3", "source_instructor_id": "rmp:125529", "instructor_name": "Eric Bach", "course_label": "CS435", "course_id": "COMPSCI/ECE/MATH 435", "course_uid": "course_2e71825a82859020279c78b8", "review_date": "2023-01-23 17:18:16 +0000 UTC", "comment": "Extremely difficult professor, all of the material is presented at a ridiculously high level. A lot of the times I looked up alternative lectures. Homework is near impossible, and expects you to know terminology and material covered in CS240 (i.e. proof techniques), despite the fact that it's listed as optional. At least the exams were easy.", "source_url": "https://www.ratemyprofessors.com/professor/125529", "quality_rating": 2, "difficulty_rating": 5 }, { "observed_at": "2026-09-07 16:40:46.468571+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTM2ODQ0NjY0", "source_instructor_id": "rmp:125529", "instructor_name": "Eric Bach", "course_label": "CS435", "course_id": "COMPSCI/ECE/MATH 435", "course_uid": "course_2e71825a82859020279c78b8", "review_date": "2022-11-16 16:35:21 +0000 UTC", "comment": "Professor Bach is kind and clearly very knowledgeable regarding cryptography, but in no way does it translate to being a good instructor. He works strictly on a chalkboard, covers his work most the time, explains complex ideas in vague symbols, has confusing lectures, and assumes us to understand his proofs before he trails off. AVOID AT ALL COSTS!", "source_url": "https://www.ratemyprofessors.com/professor/125529", "quality_rating": 1, "difficulty_rating": 5 } ] ``` ### total 59 ### page 1 ### courses | course\_uid | course\_id | | -------------------------------- | -------------------- | | course\_1789820d64d4298321fc24d2 | COMPSCI 520 | | course\_de12e29109d0c90ee086fcec | COMPSCI 577 | | course\_1c792cd171ebabb5c5548c07 | COMPSCI 787 | | course\_2e71825a82859020279c78b8 | COMPSCI/ECE/MATH 435 | | course\_9a1a7bf1933981bcbaca47ac | COMPSCI/MATH 240 | ### matched true ## social Image false