List of Famous people who died at 73

Sir Bernard Arthur Owen Williams, FBA was an English moral philosopher. His publications include Problems of the Self (1973), Ethics and the Limits of Philosophy (1985), Shame and Necessity (1993), and Truth and Truthfulness (2002). He was knighted in 1999.

Sir Edmund McNeill Cooper-Key was a British Conservative politician. He was Member of Parliament for Hastings from 1945 until his retirement in 1970.

Paul-Henri Charles Spaak was an influential Belgian Socialist politician, diplomat and statesman. Along with Robert Schuman, Alcide De Gasperi and Konrad Adenauer he was a leader in the formation of the institutions that evolved into the European Union.

Boris Nikolaevich Polevoy was a Soviet writer. He is the author of the book Story of a Real Man about Soviet World War II fighter pilot Aleksey Maresev.

Miguel Ángel Castellini was an Argentine professional boxer. Castellini, who was active as a professional from 1965 to 1980, is most notable for having held the and WBA and lineal light middleweight titles from 1976 to 1977.

Adolfo Marsillach Soriano was a Spanish actor of Catalan descent, playwright and theatre director.