1. Samuel Guy Endore, born Samuel Goldstein and known as Harry Relis, was an American novelist and screenwriter.

1. Samuel Guy Endore, born Samuel Goldstein and known as Harry Relis, was an American novelist and screenwriter.
Guy Endore was born Samuel Goldstein in Brooklyn, New York, to Isidor and Malka Halpern Goldstein.
Guy Endore's father was a coal miner, inventor, and investor from Pittsburgh who often had difficulty making ends meet.
Guy Endore's most famous work was The Werewolf of Paris, a violent horror story set during the Franco-Prussian War and the Paris Commune and inspired by the work of Hanns Heinz Ewers, whom Endore had translated.
Guy Endore's only other popular literary success came with King of Paris: A Novel, based on the life of Alexandre Dumas.
Guy Endore made his name in the supernatural arena, with such movies as Mark of the Vampire and The Curse of the Werewolf.
Guy Endore began his movie writing career in 1935, when he wrote the story for Rumba, a star vehicle for George Raft and Carole Lombard, which was given a scathing review in The New York Times.
Guy Endore worked on the screenplay for Mark of the Vampire starring Bela Lugosi.
Guy Endore wrote the 19-page treatment that eventually became The Raven, for which he was not credited.
Guy Endore was a member of the Communist Party in Hollywood and was investigated by the House Un-American Activities Committee during its search for Communist infiltration of the film industry.
Guy Endore was never called to testify and did not spend any time in jail.
Guy Endore retained his profound interest in historical subjects throughout his career.
Guy Endore had strong related interests, intellectual and moral, in mysticism, yoga, vegetarianism, theosophy and anti-vivisectionism.
In 1942 Guy Endore involved himself deeply in the defense of those arrested in the "Sleepy Lagoon" case, when seventeen Mexican teenagers were incarcerated for a murder.
Guy Endore became involved when he looked into the case and was startled by the lack of evidence.
Guy Endore proceeded to write a pamphlet entitled The Sleepy Lagoon Mystery which went over in detail the mistakes and oversights involved in the case.
Guy Endore supported non-governmental drug rehab programs and became a devoted proponent of the Synanon Foundation, a controversial southern California commune dedicated to reforming and rehabilitating drug addicts and alcoholics.
Guy Endore composed pamphlets and a published history of the commune, Synanon.
Guy Endore taught fiction writing at the Los Angeles People's Education Center, a CPUSA offshoot of the New York Workers School.