List of Famous people who died at 81

Amadeo Bordiga was an Italian Marxist, a contributor to communist theory, the founder of the Communist Party of Italy (PCd'I), a member of the Communist International (Comintern) and later a leading figure of the International Communist Party. Bordiga was originally associated with the PCd'I, but he was expelled in 1930 after being accused of Trotskyism.

Sir Sacheverell Reresby Sitwell, 7th Baronet was the head of the Sitwell family, and owner of Renishaw Hall, Derbyshire.

Edith Elura Tilton Penrose was an American-born British economist whose best known work is The Theory of the Growth of the Firm, which describes the ways which firms grow and how fast they do. Writing in The Independent, the economist Sir Alec Cairncross stated that the book brought Dr. Penrose "instant recognition as a creative thinker, and its importance to the analysis of the job of management has been increasingly realized".

Barend Willem Biesheuvel was a Dutch politician of the defunct Anti-Revolutionary Party (ARP) now the Christian Democratic Appeal (CDA) party and jurist who served as Prime Minister of the Netherlands from 6 July 1971 until 11 May 1973.

Ben Bard was an American movie actor, stage actor, and acting teacher. With comedian Jack Pearl, Bard worked in a comedy duo in vaudeville.

Helen Rose was an American costume designer and clothing designer who spent the bulk of her career with Metro-Goldwyn-Mayer.