# Tehshik Yoon — Courses & Reviews | UW–Madison

[View on UW Courses](https://uwcourses.com/instructors/TEHSHIK_YOON--instructor_1303232155e3e82290339323)

## 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\_1303232155e3e82290339323

### source

legacy

### identity basis

name\_only

### identity status

unresolved

### name

Tehshik Yoon

### email

TYOON\@CHEM.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

65

#### quality

4.91

#### difficulty

3.54

#### quality count

65

#### difficulty count

65

#### profile id

rmp:2771012

#### source url

<https://www.ratemyprofessors.com/professor/2771012>

#### match basis

exact\_name

#### observed at

2026-09-07 16:02:31.739390+00:00

#### courses

##### course daf4a0053696c0e96c07064d

###### review count

57

###### quality

4.96

###### difficulty

3.53

###### quality count

57

###### difficulty count

57

##### course cd61788835b38f3e2ffee992

###### review count

3

###### quality

5

###### difficulty

4

###### quality count

3

###### difficulty count

3

##### course 75930c37cc749772d3f9356c

###### review count

1

###### quality

5

###### difficulty

4

###### quality count

1

###### difficulty count

1

##### course 3b5a17dbc40cfe7674ba4220

###### review count

1

###### quality

3

###### difficulty

3

###### quality count

1

###### difficulty count

1

#### bayesian quality

4.6158084196580225

#### prior mean

3.6596857835465957

#### prior weight

20

### current

false

### courses

None recorded.

### revision

e243353dcb7d79b7247ced91d69443ef4c2a6349

### instructor url

/instructors/TEHSHIK\_YOON--instructor\_1303232155e3e82290339323

## history

None recorded.

## timeline

None recorded.

## term

1272

## courses

None recorded.

## reviews

### items

```json
[
  {
    "observed_at": "2026-09-07 16:02:31.739390+00:00",
    "run_id": "20260907T155543-ce3781c4",
    "source_review_id": "UmF0aW5nLTM5NzczMDk1",
    "source_instructor_id": "rmp:2771012",
    "instructor_name": "Tehshik Yoon",
    "course_label": "CHEM345",
    "course_id": "CHEM 345",
    "course_uid": "course_daf4a0053696c0e96c07064d",
    "review_date": "2024-09-29 04:45:55 +0000 UTC",
    "comment": "Professor Yoon is one of the best professors I have ever had. He is an incredibly passionate, bright person who managed to make a notoriously difficult class into one of my favorites. He is very active on piazza and gives lots of opportunities for practice which is super important for a course like this. I wish every prof was like him.",
    "source_url": "https://www.ratemyprofessors.com/professor/2771012",
    "quality_rating": 5,
    "difficulty_rating": 4
  },
  {
    "observed_at": "2026-09-07 16:02:31.739390+00:00",
    "run_id": "20260907T155543-ce3781c4",
    "source_review_id": "UmF0aW5nLTM4ODU0NTU5",
    "source_instructor_id": "rmp:2771012",
    "instructor_name": "Tehshik Yoon",
    "course_label": "CHEM345",
    "course_id": "CHEM 345",
    "course_uid": "course_daf4a0053696c0e96c07064d",
    "review_date": "2024-01-09 15:26:06 +0000 UTC",
    "comment": "I wish Tehshik ran the entire undergrad chemistry department!  He is a clear communicator, empathetic to the student experience, and makes the course accessible and fair. He points out areas of organic chemistry that are relevant to life and other science disciplines. ",
    "source_url": "https://www.ratemyprofessors.com/professor/2771012",
    "quality_rating": 5,
    "difficulty_rating": 4
  },
  {
    "observed_at": "2026-09-07 16:02:31.739390+00:00",
    "run_id": "20260907T155543-ce3781c4",
    "source_review_id": "UmF0aW5nLTM4ODA1ODE5",
    "source_instructor_id": "rmp:2771012",
    "instructor_name": "Tehshik Yoon",
    "course_label": "CHEM345",
    "course_id": "CHEM 345",
    "course_uid": "course_daf4a0053696c0e96c07064d",
    "review_date": "2023-12-28 22:49:44 +0000 UTC",
    "comment": "TPY has been my favorite professor thus far at UW. He was always very clear on what he expected us to know, gave great problem sets, and genuinely cared about his students. Yes, the content was very difficult, but he never downplayed the difficulty and prepared us accordingly for it.",
    "source_url": "https://www.ratemyprofessors.com/professor/2771012",
    "quality_rating": 5,
    "difficulty_rating": 4
  },
  {
    "observed_at": "2026-09-07 16:02:31.739390+00:00",
    "run_id": "20260907T155543-ce3781c4",
    "source_review_id": "UmF0aW5nLTM4Nzg4MTY1",
    "source_instructor_id": "rmp:2771012",
    "instructor_name": "Tehshik Yoon",
    "course_label": "CHEM345",
    "course_id": "CHEM 345",
    "course_uid": "course_daf4a0053696c0e96c07064d",
    "review_date": "2023-12-24 08:15:46 +0000 UTC",
    "comment": "TPY is by far my favorite professor I've ever had at UW-Madison. He is clearly very passionate in what he teaches, and made me excited to come to an ochem lecture (unthinkable, right?). He is very intelligent and explains everything super clearly. I would recommend him to anyone taking chem 345, though I believe he only teaches in the fall :(. ",
    "source_url": "https://www.ratemyprofessors.com/professor/2771012",
    "quality_rating": 5,
    "difficulty_rating": 4
  },
  {
    "observed_at": "2026-09-07 16:02:31.739390+00:00",
    "run_id": "20260907T155543-ce3781c4",
    "source_review_id": "UmF0aW5nLTM4Nzg1MDQ1",
    "source_instructor_id": "rmp:2771012",
    "instructor_name": "Tehshik Yoon",
    "course_label": "CHEM345",
    "course_id": "CHEM 345",
    "course_uid": "course_daf4a0053696c0e96c07064d",
    "review_date": "2023-12-23 20:38:44 +0000 UTC",
    "comment": "He has so much passion for whatever he is teaching. I don't know how there could be a better professor for Ochem 345! I hope to have him again for future classes.",
    "source_url": "https://www.ratemyprofessors.com/professor/2771012",
    "quality_rating": 5,
    "difficulty_rating": 4
  },
  {
    "observed_at": "2026-09-07 16:02:31.739390+00:00",
    "run_id": "20260907T155543-ce3781c4",
    "source_review_id": "UmF0aW5nLTM4NzgyMzg3",
    "source_instructor_id": "rmp:2771012",
    "instructor_name": "Tehshik Yoon",
    "course_label": "CHEM345",
    "course_id": "CHEM 345",
    "course_uid": "course_daf4a0053696c0e96c07064d",
    "review_date": "2023-12-23 05:36:43 +0000 UTC",
    "comment": "Professor Yoon is arguably THE best chemistry professor at UW-Madison. He made organic chemistry interesting and engaging. He also was extremely down to earth and sweet. His grading criteria is very fair and never out of the ordinary. He provides lots of practice problems, which are crucial to performing well in the course. ",
    "source_url": "https://www.ratemyprofessors.com/professor/2771012",
    "quality_rating": 5,
    "difficulty_rating": 3
  }
]
```

### total

65

### page

1

### courses

| course\_uid                      | course\_id |
| -------------------------------- | ---------- |
| course\_75930c37cc749772d3f9356c | CHEM 344   |
| course\_daf4a0053696c0e96c07064d | CHEM 345   |
| course\_3b5a17dbc40cfe7674ba4220 | CHEM 346   |
| course\_cd61788835b38f3e2ffee992 | CHEM 547   |

### matched

true

## social Image

false