List of Famous people who died in 1973

René Maurice Fréchet was a French mathematician. He made major contributions to general topology and was the first to define metric spaces. He also made several important contributions to the field of statistics and probability, as well as calculus. His dissertation opened the entire field of functionals on metric spaces and introduced the notion of compactness. Independently of Riesz, he discovered the representation theorem in the space of Lebesgue square integrable functions. He is often referred to as the founder of the theory of abstract spaces.

Frank Michael Jeffery was an English music business manager of the 1960s who is best known for his management of The Animals and Jimi Hendrix, whom he co-managed for a time with former Animals bassist Chas Chandler. A former associate of noted English pop impresario Don Arden, Jeffery was and remains a controversial figure.

Fred Niblo Jr. was a successful American screenwriter. He received an Academy Award for Best Adapted Screenplay nomination for the film The Criminal Code (1931) with Seton I. Miller. Niblo retired from films in 1950 to become a businessman.

Józef Żmigrod, better known by his stage name, Allan Gray, was a Polish composer, best known for his film scores.