Edith Caroline Rivett (who wrote under the pseudonyms E.C.R. Lorac, Carol Carnac, Carol Rivett, and Mary le Bourne) was a British crime writer. She was born in Hendon, Middlesex (now London). She attended the South Hampstead High School, and the Central School of Arts and Crafts in London. She was a member of the Detection Club. She was a very prolific writer, having written forty-eight mysteries under her first pen name, and twenty-three under her second. She was an important author of the Golden Age of Detective Fiction.