Ralph Nelson (August 12 1916 - December 21 1987) was an American movie and television director, producer, writer, and actor. He is best known for his direction of the 1968 movie "Charly", as well as several racially provocative films in the 1960s and early 1970s, including "Lilies of the Field", "...tick...tick...tick...", and "Soldier Blue". Wikipedia
The definitive Wikipedia entry for Ralph Nelson. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ralph_Nelson