List of Famous people born on January 21st

Audrey Dalton is an Irish television and film actress.

Adam Maxwell Burton, better known as Maxwell Atoms is an American animator, screenwriter, storyboard artist, and voice actor. He is best known as the creator of the Cartoon Network series The Grim Adventures of Billy & Mandy and Evil Con Carne.

Daniel Chalonge was a French astronomer and astrophysicist. He was born in Grenoble and studied in Paris under Charles Fabry. Chalonge worked as an astronomer at the Observatoire de Paris, the Observatoire d'Haute Provence and the Swiss Jungfraujoch Scientific Station. One of the founders of the Institut d'astrophysique de Paris, his studies included the stellar spectrum of hydrogen, stellar photometry and classification, and measurement of the ozone layer. During the Nazi occupation of France, Chalogne assumed the position of director of the Institut d'astrophysique de Paris after the previous director, Henri Mineur, was arrested by the Gestapo. Chalonge developed a microphotometer, which was subsequently named after him. Between 1936 and 1982 he authored over 90 scientific papers.

Satheishtharan Ramachandran is a Malaysian male badminton player.

Rick Falkvinge is a Swedish information technology entrepreneur and founder of the Swedish Pirate Party. He is currently a political evangelist with the party, spreading the ideas across the world.

Libero Tresoldi was an Italian prelate, who was the bishop of Crema.

Joseph Georges Gonzague Vézina was a Canadian professional ice hockey goaltender who played seven seasons in the National Hockey Association (NHA) and nine in the National Hockey League (NHL), all with the Montreal Canadiens. After being signed by the Canadiens in 1910, Vézina played in 327 consecutive regular season games and a further 39 playoff games, before leaving early during a game in 1925 due to illness. Vézina was diagnosed with tuberculosis, and died on March 27, 1926.

Dominik Roels is a former German professional road bicycle racer, who previously rode for German Team Milram. He announced his retirement in January 2011.