List of Famous people who died in 1974

Cypra Cecilia Krieger-Dunaij was an Austro-Hungarian -born mathematician of Jewish ancestry who lived and worked in Canada. Krieger was the third person to earn a Ph.D in mathematics from a university in Canada, in 1930, as well as the third woman to have been awarded a doctorate in any discipline in Canada. Krieger is well known for having translated two works of Wacław Sierpiński in general topology. The Krieger–Nelson Prize, awarded annually by the Canadian Mathematical Society since 1995 for outstanding research by a female mathematician, is named in honour of Krieger and Evelyn Nelson.

Ali Ismael was an Egyptian musician and composer of the Palestinian national anthem.

Stuart Buchanan was an American voice actor, announcer, and educator.

Nikolaus Ritter is best known as the Chief of Air Intelligence in the Abwehr who led spyrings in the United States and Great Britain from 1936 to 1941.

Robert Ward Duggan served as Allegheny County District Attorney in Pittsburgh, Pennsylvania for a decade, from January 1964 until his shooting death under mysterious circumstances in March 1974. He had been under investigation by then-United States District Attorney Richard Thornburgh for corruption.