All Ratings and Reviews for Yoram Cohen


Overall 2.0
Easiness of class 1.4
Workload 1.6
Not Clear
Clarity of professor 1.9
Not Helpful
Helpfulness of professor 1.8
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CH ENGR 101A, taken Fall 2017 Submitted Jan. 17, 2018 Grade Received: B-


Professor Cohen is literally the WORST professor or teacher I have ever had in elementary school, middle school, high school, and here at UCLA. He is a snobby bitch, and when you ask a question he just answers with a rhetorical; it’s like, “dude, if I knew the answer I wouldn’t ask.” I asked him a question on a test and he just answers with a question and a smirk, and I’m sitting there thinking “fuck you, you just wasted my time on the exam.” He should not be allowed to teach. His handwriting is impossible to read, I can’t tell if it is a rho, a P, or an e half the time. And he goes so fast, writing so sloppily I can’t even comprehend what’s going on in class. He is also the most boring professor ever. I have to eat a whole bag of candy to get a sugar rush to stay awake.
Also, he does not understand what a university holiday is. Twice, he tried to make a homework due in person on a university holiday. It is disrespectful that he is emailing out an assignment on Thanksgiving holiday.
Also, stop bitching about us writing on the back of the paper on homework. Your syllabus literally says that the homework is 3-5 problems yet every homework is 6-7 problems, and one even had 8.
Also, buy a clue, the entire class has class in the same fucking room from 12-4. You are a jackass who won’t let us eat to pay attention. You have 2 hours while we are in class to eat, so stop complaining. Nobody likes you.
In summary, screw you Cohen, I hope I never have to see you ever again.

CH ENGR C118, taken Fall 2020 Submitted Dec. 24, 2020 Grade Received: A

I think old reviews for Dr. Cohen don't paint a fair picture. He really is a nice guy who cares about students and wants them to succeed. He does his absolute best to make himself available, plenty of office hours, giving out his cell#, etc.

Overall, this class can be a LOT of work for a ChemE elective. Don't let it being an elective fool you. Expect the following: biweekly homework, exams, weekly progress reports, presentations, final projects, etc. Easily more work than a standard ChemE class, more comparable to a lab. While it's a large amount of work, the course is pretty interesting/unique, and in the end he grades very generously.

Course not listed Submitted Jan. 7, 2003 Grade Received: N/A

my only advice is that if you have a question or don't understand something, take it to the TA, not to cohen. he's very rude and obviously doesn't care whether or not the students understand something.

Course not listed Submitted April 21, 2002 Grade Received: N/A

Professor Cohen makes way too many mistakes in class, it feels as if he doesn't really care about the class.

Course not listed Submitted Jan. 22, 2004 Grade Received: N/A

this guy. first of all he makes many mistakes in his lec. his exams aren't too hard. hi scribbles a lot of bs on the board which u'll never use during the quarter. he doesn't care about the students what so ever. he's not too hard of i professor i think. u'll need really good ta's.

Course not listed Submitted April 8, 2003 Grade Received: N/A

Simply the worst professor in Chemical engineering. He does not care about the students, and even though he appears to know the material, he really doesn't. He copies his lectures from various sources (according to him) and he doesn't use the time to find inconsistencies between multiple sources. As a results, he makes mistakes after mistakes in lecture. When students make a simple stupid mistake on the test, he grades it down harshly because he thinks it's fundamental mistake. Don't expect to argue with him that it's just a simple mistake because he will not listen to you. He will not accept the fact that he made a mistake in grading you and will simply try to find other "mistakes" that are not mistakes and waste time with you. He gives students a ridiculous amount of work one year and relaxes students another year, just a very unpredictable and uncareing professor. For all those out there who will take his class, don't piss him off because he will take it personally and give you a bad grade despite your okay performance in the class.

Course not listed Submitted July 3, 2008 Grade Received: N/A

I have had plenty of hard and difficult-to-deal-with professors at UCLA, but Cohen has topped them all. Going into this, I'll have you know I ended up with a B+, so I'm not bitter about my grade. Cohen only cares about his research and makes it very clear to all his students. He didn't come to about 1/5 of the classes because he was out getting money for his research. In the classes he was present for, he would get extremely annoyed at any student who asked a question. Even the TAs commented that he diverted questions in class by trying to make the person asking them look stupid. I asked legitimate questions about errors he had made in his equations and his response would be, "Well I was JUST going to change that" and give me a really annoyed look. No one in the class respected him at all.

If, however, you are forced to take his class as I'm sure you are if you're reading this, here are a few pointers. First of all, make friends with the TAs, they have to deal with him too and they also create and grade all homeworks, quizzes, midterms, and the final. Secondly, do any extra credit he hands out. Thirdly, DO the homework. It's worth 30% of your grade and it is closely related to quizzes and tests. And finally, be honest in your critique of him at the end of the quarter. I know that a lot of the class signed a letter that a student had written about him and that it is going to the Dean.

Course not listed Submitted Jan. 5, 2003 Grade Received: N/A

The lecture CD is very effective at explaining the concepts and solving problems. But make sure you review the book also for the quiz

Course not listed Submitted June 19, 2001 Grade Received: N/A

He is a good and hard professor. But he will help you. If you are looking for an easy professor in Chemical Engineering, take my word, CHANGE YOUR MAJOR NOW!

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