Mayim Chaya Bialik (MY-im bee-AH-lik) (born December 12, 1975) is an American actress, game show host, neuroscientist, and author. She's known for her roles as the title character of the NBC sitcom Blossom, neuroscientist Amy Farrah Fowler on the CBS sitcom The Big Bang Theory, young CC Bloom in Beaches (1988), and the title character in Call Me Kat.