Mayim Chaya Bialik ( MY-əm bee-AH-lik; born December 12, 1975) is an American actress, author, and neuroscientist. From 1991 to 1995, she played the title character of the NBC sitcom Blossom. Bialik later played neurobiologist Amy Farrah Fowler on the CBS sitcom The Big Bang Theory from 2010 to 2019. Outside of her acting career, she holds a Ph.D. in neuroscience. For her role as Fowler, Bialik has been 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 Series in 2015 and 2016.