Harvard University

Natalie Portman graduated from Harvard and regularly returns to campus — one of Hollywood's most intellectually celebrated stars, she studied psychology at the Ivy League institution.

John F. Kennedy graduated from Harvard University in 1940 — the 35th president whose thesis on Britain's unpreparedness for WWII became a bestselling book and foreshadowed his life in public service.

Bill Gates received an honorary degree from Harvard 32 years after dropping out — the college he left to found Microsoft returning to receive the diploma he famously never completed.