List of Famous people who born in 1921

Shimshon Avraham Amitsur was an Israeli mathematician. He is best known for his work in ring theory, in particular PI rings, an area of abstract algebra.

Kathleen Elizabeth Fell, known professionally as Kathleen Byron, was a British actress.

Ferdinando "Fred" Buscaglione was an Italian singer and actor who became very popular in the late 1950s. His public persona – the character he played both in his songs and his movies – was of a humorous mobster with a penchant for whisky and women.

Gérard Debreu was a French-born economist and mathematician. Best known as a professor of economics at the University of California, Berkeley, where he began work in 1962, he won the 1983 Nobel Memorial Prize in Economic Sciences.

John Herbert Chapman was a Canadian space researcher. He started his career with his work on radio propagation and the ionosphere.