List of Famous people born on October 21st

Joseph Michael Swango, also known under the aliases David J. Adams, Michael Kirk, Jack Kirk, and Michael Swan, as well as the press nickname Dr. Death, is an American former physician and an admitted serial killer. Swango is estimated to have been involved in as many as 60 fatal poisonings of patients and colleagues, though he only admitted to causing four deaths. He was sentenced in 2000 to three consecutive life terms without the possibility of parole, and is serving that sentence at the ADX Florence supermax prison near Florence, Colorado.

Nemanja Vidić is a Serbian retired professional footballer. He most notably played for Manchester United from 2006 to 2014, and was part of the Serbia national team from 2002 to 2011. He was considered to be one of the world's best centre-backs in his prime due to his defensive consistency and awareness, as well as his strength, leadership, and ability in the air.

Manfred Mann is a British keyboard player, guitarist, and vocalist, born in South Africa, who became best known as a founding member and eponym of the bands Manfred Mann, Manfred Mann Chapter Three and Manfred Mann's Earth Band.

Paul Emerson Carlyle Ince is an English professional football manager and former player who played as a midfielder from 1982 to 2007.

Brigitte Gabriel is a Lebanese-American conservative author, anti-Islam activist, and founder of the anti-Muslim group ACT! for America.

Gregory Keith Robinson is an American football offensive tackle who is a free agent. After playing college football at Auburn, he was drafted by the St. Louis Rams second overall in the 2014 NFL Draft. He has also played for the Detroit Lions and the Cleveland Browns.

Pascale Roberts was a French film and television actress. She was a César Award nominee. In 1957, she married Pierre Mondy but they divorced a few years later.

Cha Jun-hwan is a South Korean figure skater who competes in the men's singles discipline. He is the 2018–2019 Grand Prix Final bronze medalist, the 2016–17 Junior Grand Prix Final bronze medalist, and a five-time South Korean national champion. He has won two bronze medals on the ISU Grand Prix series and two silver medals on the ISU Challenger Series. He represented South Korea at the 2018 Winter Olympics.

Elena Vsevolodovna Sanayeva is a Soviet and Russian theater and film actress and social activist. She is an Honored Artist of the RSFSR (1990).

Sergey Maratovich Guriyev is a Russian economist, a professor of economics at the Instituts d'études politiques in Paris. In 2016-19, he was the chief economist at the European Bank for Reconstruction and Development. He was a Morgan Stanley Professor of Economics and a Rector at the New Economic School (NES) in Moscow until he resigned on 30 April 2013 and fled to France. He joined NES in 1998 focusing on research and teaching and became a full-time permanent faculty member in 1999. He became the school's Rector in 2004. He was also teaching graduate courses in economics of development, microeconomic theory and contract theory.