Born in Las Vegas, Nevada. A Hollywood cameraman from 1917, he pioneered in color cinematography as early as 1921 and in the early 30s shot some of the earliest productions using Technicolor's new three-color system, including the ground-breaking short LA CUCARACHA (1934). In addition to being sole director of photography on many films, he worked on a number of important productions as color specialist and shared Academy Awards for the cinematography of GONE WITH THE WIND (1939) and BLOOD AND SAND (1941). After retiring from films in the late 1950s he worked extensively for TV. He is one of only six cinematographers to have a star on the famous "Hollywood Walk of Fame;" the others are Hal Mohn, Leon Shamroy, J. Peverell Marley, Conrad L. Hall and Haskell Wexler. Rennahan served as president of the American Society of Cinematographers (ASC) in 1950-51 and 1965-66. Visit the Internet Movie Database for a listing of Rennahan's extensive film and television credits.  Nominated for Cinematography (Color) 1939: DRUMS ALONG THE MOHAWK (w. Bert Glennon)  Cinematography (Color) 1939: GONE WITH THE WIND (w. Ernest Haller)  Nominated for Cinematography (Color) 1940: DOWN ARGENTINE WAY (w. Leon Shamroy)  Nominated for Cinematography (Color) 1940: THE BLUE BIRD (w. Arthur C. Miller)  Nominated for Cinematography (Color) 1941: LOUISIANA PURCHASE (w. Harry Hallenberger)  Cinematography (Color) 1941: BLOOD AND SAND (w. Ernest G. Palmer)  Nominated for Cinematography (Color) 1943: FOR WHOM THE BELL TOLLS  Nominated for Cinematography (Color) 1944: LADY IN THE DARK 8 nominations, 2 Awards