[{"observed_at":"2026-09-07 16:37:22.761851+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTQxMDY5NTA5","source_instructor_id":"rmp:2911773","instructor_name":"Hanbaek Lyu","course_label":"MATH444","course_id":"MATH 444","course_uid":"course_8b31dcae72f6377cdea586b3","review_date":"2025-04-28 15:59:25 +0000 UTC","comment":"Professor Han is amazing. He cares a lot about his students and their learning. Was easy on deadlines and extended homeworks very often. Tests were challenging but insightful - easy if you study and work throughout the course. ","source_url":"https://www.ratemyprofessors.com/professor/2911773","quality_rating":5.0,"difficulty_rating":4.0}]