(written from a Production point of view)
Leo H. Shreve (16 December 1912 – 24 November 1993; age 80) was a film editor who edited the first Star Trek pilot, "The Cage". He went uncredited for his work, however, he was credited for "The Menagerie, Part II".
During his career as a film editor, Shreve mostly worked on television series and B-movies. These included Lawman, 77 Sunset Strip, Honey West, and such films as Voyage to the Prehistoric Planet (1965), Queen of Blood (1966) and It's a Bikini World (1967, with Sid Haig).