[{"observed_at":"2026-09-07 16:20:30.788895+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMzOTc5MTEy","source_instructor_id":"rmp:549770","instructor_name":"Mark Rzchowski","course_label":"PHYSICS551","course_id":"PHYSICS 551","course_uid":"course_f927cf89d32d2a8a10f47b03","review_date":"2020-12-08 02:27:07 +0000 UTC","comment":"This is my first solid-state physics class, and I think professor Rzchowski did a very good job covering the materials. His lectures were clear, lecture notes were self-contained, the homework was quite easy once you have put some thoughts, and the tests were reasonable in difficulty.","source_url":"https://www.ratemyprofessors.com/professor/549770","quality_rating":5.0,"difficulty_rating":3.0}]