List of Famous people born in January

James Ernest Bryan was an American racecar driver who won the 1958 Indianapolis 500. Born in Phoenix, Arizona, Bryan died as a result of injuries sustained in a champ car race at Langhorne Speedway.

Carolyn Sue Hester is an American folk singer and songwriter. She was a figure in the early 1960s folk music revival.

Bruce Schneier is an American cryptographer, computer security professional, privacy specialist, and writer. Schneier is current a Lecturer in Public Policy at the Harvard Kennedy School and a Fellow at the Berkman-Klein Center for Internet & Society. He is a board member of the Electronic Frontier Foundation, AccessNow, and the Tor Project; and an advisory board member of EPIC and VerifiedVoting.org. Schneier is currently employed as the Chief of Security Architecture at Inrupt, Inc. in Boston, MA. He is the author of several books on general security topics, computer security and cryptography and a squid enthusiast.

George Martin is a Spanish film actor. He is known as a frequent star in the Italian Los Tres Supermen series and for numerous parts in Spaghetti Westerns and Italian exploitation films.

Alan David Sokal is a professor of mathematics at University College London and professor of physics at New York University. He works in statistical mechanics and combinatorics. He is a critic of postmodernism, and caused the Sokal affair in 1996 when his deliberately nonsensical paper was published by Duke University Press's Social Text. He also works to counter faulty scientific reasoning, as seen with his involvement in criticising the critical positivity ratio concept in positive psychology.

Sathamangalam Ranga Iyengar Srinivasa Varadhan FRS is an Indian American mathematician who is known for his fundamental contributions to probability theory and in particular for creating a unified theory of large deviations.