Did the real Ed Gein ever wear a human's face as a mask like Leatherface did in the film?

Did the real Ed Gein use a chainsaw to kill his victims?
Ed Gein's homeNo, both of Ed Gein's identified victims, Mary Hogan and Bernice Worden, were shot with a pistol. In November of 1957, police found Bernice Worden hanging from the rafters in a shed behind Gein's house. Her body had been gutted like that of a deer, and the head had been removed. Ed Gein was also the suspect in several other missing persons. The element of the chainsaw that was added for the film's story once again emphasizes the loose connection of the film to Gein.
Who exactly was Ed Gein and why did he commit such atrocities?
Eddie Gein was the son of Augusta and George Gein. Augusta was a deeply religious woman, who preached the Bible to Eddie and his brother Henry on a daily basis. She warned them about the dangers of loose women, in an effort to keep them from being cast down to hell. She was a strict, hard woman, who never wavered from her own beliefs, which she ingrained into the family. Eddie's father, George, was an alcoholic, and Augusta viewed him as being worthless. She began a grocery business in La Crosse, Wisconsin, and when she had saved enough money she moved the family away from the sin of the city to a farm in Plainfield, Wisconsin. Eddie grew up shy and was ignored by the other kids at school, who saw him as quiet and feminine. If he did try to make friends, his mother scolded him. As a result Eddie turned inward and began to reside in the dark corners of his mind.
He worshipped his mother, and grew upset when his brother Henry criticized her. On May 16, 1944, while fighting a brush fire near the farm, Eddie and Henry split up and went in different directions. After the fire had been extinguished, Eddie grew concerned because his brother had not returned. When police arrived Eddie lead them directly to his "missing" brother Henry, who was lying dead in an area untouched by the fire with bruises on his head. The shy and seemingly harmless Eddie was quickly dismissed as a suspect, and the coroner listed asphyxiation as the cause of death. -crimelibrary.com
Were any other films based on Ed Gein?
Both Norman Bates from Alfred Hitchcock's Psycho (1960) and Buffalo Bill from The Silence of the Lambs (1991) were also loosely based on Ed Gein: