13 January: today's birthdays

• Ernst Christian Achelis - German theologian
• Orlando Bloom - English actor. He starred as Legolas in The Lord of the Rings trilogy and in Hobbit trilogy. He was Paris in Troy
• Jean Cabut - French comic strip artist and caricaturist, best known as Cabu, killed during a terrorist attack on satirical weekly newspaper Charlie Hebdo
• Patrick Dempsey - American actor. He is best known for his role as neurosurgeon Dr. Derek Shepherd in the TV series Grey's Anatomy
• Paul Feyerabend - Austrian philosopher and epistemologist. He wrote Against Method and Farewell to Reason
• Georges Ivanovič Gurdjieff (George Ivanovich Gurdjieff) - Russian philosopher, mystic and writer of Armenian and Greek descent 
• Julia Louis-Dreyfus - American actress and comedian. She starred in TV comedy series as Seinfeld, The New Adventures of Old Christine, and Veep
• Pasqual Maragall i Mira - Catalan politician
  
• Jay McInerney - American writer. He wrote the novel Bright Lights, Big City
• Lorrie Moore - American writer. She wrote Who Will Run The Frog Hospital, Birds of America, A Gate at the Stairs, and Bark
• Marco Pantani - Italian road racing cyclist. He won both the Tour de France and the Giro d'Italia in 1998. His nickname was Il Pirata (The Pirate)
• Andrew Yang - American entrepreneur and politician from the Democratic Party