21 July: today's birthdays

• Eero Aarnio - Finnish designer best known for his plastic and fiberglass pieces of furniture
• Michael Connelly - American writer. He created the fictional character Hieronymus "Harry" Bosch, a Los Angeles Police Department detective
• Hans Fallada - Pseudonym of German writer Rudolf Wilhelm Friedrich Ditzen. He wrote the novel Little Man, What Now?
• Rebecca Ferguson - British singer-songwriter
  
• Gene Fullmer - Former American boxer
• Erling Braut Haaland - Norwegian footballer who was born in England. He currently plays for German team Borussia Dortmund. His last name, Haaland, is the anglicized version of Håland.
• Helmut Haller - Former German soccer player
• Josh Hartnett - American actor. He starred in O, Lucky Number Slevin and The Black Dahlia 
• Ernest Hemingway - American author and journalist, Pulitzer Prize for Fiction in 1953 and Nobel Prize in Literature in 1954
• Norman Jewison - Canadian film director and actor
• Jon Lovitz - American actor
• Marshall McLuhan - Canadian sociologist
• Katy Louise Saunders - English actress
• William Stokoe - American linguist
• Béla Tarr - Hungarian film director, screenwriter and actor
• Rirkrit Tiravanija - Artist born in Argntina of Thai descent
• Robin Williams - American actor and comedian, born Robin McLaurin Williams. He won an Oscar for Best Supporting Actor in 1998 for his role as a psychologist in the film Good Will Hunting