Spoiler : Born in Pasadena, California 11/8/1916; died 11/28/1979 in Sherman Oaks, Cali- fornia. MacDonnell began his career as a tour guide at CBS-Radio in Hollywood (1938), founding the Columbia Radio Players that same year. Served in the armed forces during WWII. Joined CBS-Radio as an assistant director in 1946. Producer/director of CBS-Radio programs including The Adventures Of Philip Marlowe (1947); Escape (1948-1949, 1950-1952, 1954); The Green Lama (1949); Romance (1950); Gunsmoke (1952-1961); Suspense (1954); Fort Laramie (1956). Director for CBS-Radio programs including Yours Truly, Johnny Dollar (1949); Honest Harold on CBS (1950-1951); Suspense on CBS (1949-1950). Producer of Rogers Of The Gazette on CBS-Radio (1953-1954). Writer for The Sears Radio Theater on CBS-Radio (1979).

Spoiler : Associate producer of Gunsmoke on CBS-TV (1955-1964). Executive producer of The Virginian (The Men From Shiloh) on NBC-TV (1965-1970).