Mayim Chaya Bialik ( MY-im bee-AH-lik; born December 12, 1975) is an American actress and former game show host. From 1991 to 1995, she played the title character of the NBC sitcom Blossom. From 2010 to 2019, she played neuroscientist Amy Farrah Fowler on the CBS sitcom The Big Bang Theory, for which she was nominated four times for the Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series and won the Critics' Choice Television Award for Best Supporting Actress in a Comedy S…