List of Famous people born on September 20th

Mariano Martínez is a French former professional road racing cyclist. He won the King of the Mountains competition in 1978 Tour de France. Although he was born in Spain, he became a naturalized French citizen in 1963.

Gert Verheyen is a Belgian retired footballer and manager, who was last in charge of Oostende.

James Paul Blaylock is an American fantasy author. He is noted for a distinctive, humorous style, as well as being one of the pioneers of the steampunk genre of science fiction. Blaylock has cited Jules Verne, H. G. Wells, Robert Louis Stevenson, Arthur Conan Doyle and Charles Dickens as his inspirations.

Stephen Ross Gerber was an American comic book writer best known for co-creating the satiric Marvel Comics character Howard the Duck and a character-defining run on Man-Thing, one of their monster properties. Other notable works include Omega the Unknown, Marvel Spotlight: "Son of Satan", The Defenders, Marvel Presents: "Guardians of the Galaxy", Daredevil and Foolkiller. Gerber was known for including lengthy text pages in the midst of comic book stories, such as in his graphic novel, Stewart the Rat. Gerber was posthumously inducted into the Will Eisner Comic Book Hall of Fame in 2010.

Jameel Sadik "Jim" Al-Khalili is a British theoretical physicist, author and broadcaster. He is professor of theoretical physics and chair in the public engagement in science at the University of Surrey. He is a regular broadcaster and presenter of science programmes on BBC radio and television, and a frequent commentator about science in other British media.

Robin Berry Janvrin, Baron Janvrin, is a British courtier who was Private Secretary to Elizabeth II from February 1999 to September 2007.