Richard Vincent Kadison (July 25, 1925 – August 22, 2018)[2] was an American mathematician known for his contributions to the study of operator algebras.

Born in New York City in 1925,[2][3] Kadison was a Gustave C. Kuemmerle Professor in the Department of Mathematics of the University of Pennsylvania.

[8] Kadison was awarded the 1999 Leroy P. Steele Prize for Lifetime Achievement by the American Mathematical Society.

[10] Kadison was a skilled gymnast with a specialty in rings, making the 1952 US Olympic Team but later withdrawing due to an injury.

[11] He married Karen M. Holm on June 5, 1956, and they had one son, Lars.