20 May: today's birthdays

• Honoré de Balzac - French writer, literary critic and journalist. He wrote The Human Comedy (La Comédie humaine) 
• Iker Casillas Fernández - Spanish football
• Petr Čech - Czech footballer
• Cher - Stage name of Cherilyn Sarkisian, American singer, songwriter and actress
• Joe Cocker - English singer
• Anton Corbijn - Dutch photographer and film director
• Matt Czuchry - American actor
• Simon Fraser - American-born Canadian explorer and fur trader
• Chris Froome - English road racing cyclist born in Kenya to British parents. His complete name is Christopher Clive Froome
• John Stuart Mill - English philosopher and economist
• Gabriele Muccino - Italian film director and screenwriter. He directed The Pursuit of Happyness (La ricerca della felicità)
• José Mujica - Former Uruguayan guerrilla fighter and 40th President of Uruguay
• Albert Niemann - German chemist
• Chaïm Perelman - Polish-born Belgian philosopher of law
• Zbigniew Preisner - Polish composer
• Dieter Rams - German industrial designer
• James Stewart - American actor
• Sigrid Undset - Danish-born Norwegian author, Nobel Prize in Literature in 1928