Floyd Delafield Crosby (December 12 1899 - 30 September 1985) was an award winning cinematographer. A native of New York City, in 1940 married Aliph Van Cortland Whitehead and had two children, one of whom is David Crosby of The Byrds and Crosby, Stills, Nash, and Young. He divorced Aliph in 1960 and married Betty Cormack in the same year. He retired in the late 1960s to Ojai, California, where he died in 1985. Wikipedia
The definitive Wikipedia entry for Floyd Crosby. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Floyd_Crosby