List of Famous people who died at 90

Paul Richard Halmos was a Hungarian-born American mathematician and statistician who made fundamental advances in the areas of mathematical logic, probability theory, statistics, operator theory, ergodic theory, and functional analysis. He was also recognized as a great mathematical expositor. He has been described as one of The Martians.

Hans Rudolf Griem was a German-American physicist who specialized in experimental plasma physics and spectroscopy.

Raymond Patterson was an American animator, producer, and director. Patterson was born in Hollywood, California, and was the younger brother of animator Don Patterson.

Wilma Helen Hunley, OC, AOE was a Canadian former politician and the 12th Lieutenant Governor of Alberta, the first woman to serve in that post.

Howard Walter Cannon was an American politician. He served as a United States senator from Nevada from 1959 until 1983 as a member of the Democratic Party.

Raymond Polin was a French philosopher.