Al Adamson (July 25, 1929 – June 21, 1995) was a prolific director of B-grade horror films throughout the 1960s and 1970s.

After assisting his father, Victor Adamson, in making the 1963 movie Halfway to Hell, Adamson decided to work in the motion picture industry himself. Three years later, he and Sam Sherman founded Independent-International Pictures, which became the vehicle for the many movies he directed. Among them are Psycho-A-Go-Go (later worked into Blood of Ghastly Horror), Satan’s Sadists, Horror of the Blood Monsters, Dracula vs. Frankenstein, and Five Bloody Graves.

After Adamson was reported missing for five weeks in 1995, after which law enforcement officials discovered his murdered corpse beneath the concrete and tile-covered whirlpool bath in his newly remodeled bathroom. The perpetrator was his live-in contractor Fred Fulford who, after being apprehended at the Coral Reef hotel on St Pete Beach, Florida, was charged with and convicted of murder, and was sentenced to twenty-five-years in prison.

Description above from the Wikipedia article Al Adamson, licensed under CC-BY-SA, full list of contributors on Wikipedia.