List of Famous people who died at 73

Brian Geoffrey Marsden was a British astronomer and the longtime director of the Minor Planet Center (MPC) at the Harvard-Smithsonian Center for Astrophysics.

Leslie Thompson Baxter was an American musician and composer. After working as an arranger and composer for swing bands, he developed his own style of easy listening music, known as exotica.

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.

Catherine Burns was an American actress of stage, film, radio and television. She was nominated for an Academy Award for Best Supporting Actress for her performance in Last Summer (1969).

Anatoly Borisovich Katok was an American mathematician with Russian-Jewish origins. Katok was the director of the Center for Dynamics and Geometry at the Pennsylvania State University. His field of research was the theory of dynamical systems.

John Gavin Nolan was a Roman Catholic bishop who served the Archdiocese for the Military Services.

Gil Kane was a Latvian-born American comics artist whose career spanned the 1940s to the 1990s and virtually every major comics company and character.