Marcia Muller is an American author of fictional mystery and thriller novels. Muller has written many novels featuring her Sharon McCone female private detective character. Vanishing Point won the Shamus Award for Best P.I. Novel. Muller had been nominated for the Shamus Award four times previously. In 2005, Muller was awarded the Mystery Writers of America's Grand Master award. Previous winners of the award include Alfred Hitchcock and Agathe Christie. She was born in Detroit, Michigan and grew up in Birmingham, Michigan and graduated in English from the University of Michigan and worked as a journalist at Sunset magazine. She is married to detective fiction author Bill Pronzini with whom she has collaborated on several novels. 

September 28th, 1944 in Detroit (Age 79)