27 June: today's birthdays

• Isabelle Adjani - French actress. She starred in The Story of Adele H. and Camille Claudel
• Gaston Bachelard - French philosopher of science and poetry, and epistemologist. He wrote La Formation de l'esprit scientifique
• Alberto Bevilacqua - Italian writer, poet and filmmaker
• Henriette Bichonnier - French writer of children's literature 
• Hugo Armando Campagnaro - Argentine soccer player
• Sam Claflin - English actor. He is best known for his role as Finnick Odairin in the film series The Hunger Games
• Jordy Clasie - Dutch footballer
• Augustus De Morgan - Indian-born English mathematician and logician
• Helen Keller - American writer, teacher and activist
• Krzysztof Kieślowski - Polish film director, screenwriter and documentary filmmaker
• Matthew Lewis - English actor
• Fabiano Lima Rodrigues - Brazilian soccer player
• Tobey Maguire - American actor
• Ross Perot - American entrepreneur and politician
• Nico Rosberg - German professional driver. He is the 2016 Formula One World Champion. He is the son of Keke Rosberg, Finnish former Formula One World Champion 
• Alexis Saelemaekers - Belgian professional footballer who currently plays for AC Milan and is on loan from Anderlecht.
• Cecily von Ziegesar - American writer. She wrote the series of novels Gossip Girl