List of Famous people who died at 55

William Warren Bartley III, known as W. W. Bartley III, was an American philosopher specializing in 20th century philosophy, language and logic, and the Vienna Circle.

Boris Gershevich Moishezon was a Soviet mathematician. He left the Soviet Union in 1972 for Tel Aviv, and in 1977 moved to Columbia University, where he was a professor of mathematics until his death sixteen years later. He was a Guggenheim Fellow in 1983.

Harris Savides was an American cinematographer. Notable films include Gus Van Sant's "young death" trilogy, and the Van Sant films Milk, Finding Forrester, and Restless; David Fincher's The Game, Zodiac, and the opening title sequence in Seven; Martin Scorsese's short film The Key to Reserva; Wong Kar Wai's short film The Follow; Ridley Scott's American Gangster; Woody Allen's Whatever Works; Sofia Coppola's Somewhere and The Bling Ring; Noah Baumbach's Greenberg and Margot at the Wedding; and John Turturro's Illuminata.

Gisela Hellenkemper Salies was a German classical archaeologist and museum curator.