Anna Marie "Patty" Duke is an American actress of stage, film, and television. First becoming famous as a child star, winning an Academy Award for Best Supporting Actress at age 16, and later starring in her eponymous sitcom for three years. She successfully made the transition to adult roles. She was later elected president of the Screen Actors Guild from 1985 to 1988.
Duke was diagnosed with bipolar disorder in 1982, and since then has devoted much of her time to advocating and educating the public on mental health issues.
Duke was born Anna Marie Duke in Elmhurst, Queens, New York, the daughter of Frances, a cashier, and John Patrick Duke, a handyman and cab driver. Her father was Irish American and her maternal grandmother was German.
Duke experienced a childhood of hard times. Her father was an alcoholic, and her mother suffered from clinical depression and was prone to violence. When Duke was 6, her mother threw her father out; when she was 8, her mother turned Duke's care over to John and Ethel Ross, who became her managers. The Rosses recognized her talent and promoted her as a child actress.