List of Famous people born in January

Michael Ivan Cristofer is an American playwright, filmmaker and actor. He received the Pulitzer Prize for Drama and the Tony Award for Best Play for The Shadow Box in 1977. From 2015 to 2019, he played the role of Phillip Price in the USA Network television series Mr. Robot.

Horst Möller is a German contemporary historian. He is Professor of Modern History at the Ludwig Maximilian University of Munich (LMU) and, from 1992 to 2011, Director of the Institut für Zeitgeschichte.

Dr. Leslie F. Greengard is an American mathematician, physicist and computer scientist. He is co-inventor with Vladimir Rokhlin Jr. of the fast multipole method (FMM) in 1987, recognized as one of the top-ten algorithms of the 20th century.

Andrea Riccardi is an Italian historian, professor, politician and activist, founder of the Community of Sant'Egidio. He served as Minister for International Cooperation without portfolio in the Monti Cabinet.

William Thomas Gray is an American actor, who is best known for playing James "Bud" Anderson, Jr. in Father Knows Best from 1954-1960. Gray was nominated for the Primetime Emmy Award for Outstanding Supporting Actor in a Comedy Series in 1959.