There are several synonyms for the phrase "study under a famous professor" that convey the same meaning. These include "learning from a renowned mentor," "taking classes with a prominent educator," "pursuing education under a celebrated academic," and "gaining knowledge from a distinguished scholar." All of these phrases communicate the idea of receiving education and guidance from someone who is highly respected and well-known in their field. Whether it's in a classroom setting or through personal mentorship, studying under a famous professor provides invaluable opportunities to learn from the best and gain unique insights into a specific area of study.