His last words were written on a suicide note:

“The future is just old age and illness and pain… I must have peace and this is the only way.”
—He was the director of the classic horror films of the 30’s, Frankenstin and Bride of Frankenstein. He was found dead, floating in his backyard pool. The cause of death still stands as unsolved although a high level of alcohol was found in his bloodstream.The painful last years of his life in Hollywood, where he was one of the few celebrities to live openly acknowledging his homosexuality, were depicted by Ian McKellen in Gods and Monsters. Died: May 29, 1957
(From www.corsinet.com & www.imdb.com)