Mary Rodgers (83)
Daughter of computer Richard Rodgers (of & Hammerstein fame), she was a gifted composer herself. She wrote music for Once Upon a Mattress, The Mad Show, and The Madwoman of Central Park West, among others. She also contributed songs to Free to Be... You and Me.
She wrote the children's book Freaky Friday which was made into a feature film in 1976, for which Rodgers wrote the screenplay.
She's also the mother of Tony-winning composer Adam Guettel.