Richard Kadison

Richard Victor Kadison (July 25, 1925 – August 22, 2018) was an American mathematician. He was born in New York City. Kadison was known for his works to the study of operator algebras. Kadison was a member of the National Academy of Sciences from 1996 until his death in 2018.
Kadison died on August 22, 2018 in New York City from heart failure at the age of 93.