Spoiler : Loos, Mary (birth name was Mary Anita Loos) Born in San Diego, California 5/6/1910; died 10/11/2004 of complications from a stroke in Monterey, California. Daughter of Doctor Richard Loos, the co-founder of the Ross-Loos Medical Clinic. Niece of novelist Anne Loos. Married to scriptwriter Richard Sale (?-1993 his death); Carl Von Saltza (?-2000 his death). Educated at Stanford. Screen debut playing Dolores in Student Tour (1934). Last movie was playing an uncredited role in Man of the People (1937). Writer for movies including Rendezvous with Annie (1946); Over-Exposed (1955).

Spoiler : Loos and husband Sale were writers for television programs, including episodes of Climax on CBS (1954-1958); Bewitched on ABC (1964-1972); The F.B.I. on ABC (1965-1974); Custer (The Legend of Custer) on ABC (1967); The High Chaparral on NBC (1967-1971). Loos and husband Sale were the creator and wrote Yancy Derringer on CBS-TV (1958-1959).