Every manifestation of the Man of Steel - comic books, television shows and films - has been marked by bad blood, shattered careers, tragic accidents and even murder. This is the Curse of Superman.
Several resources were used in the research for this episode including:
George Reeves Revealed: An Inside Look at the Life and Tragic Death of Television's First Superman by Ed Gross for CloserWeekly.com, Feb. 27, 2019
Who Killed Superman? TheGuardian.com, Nov. 17, 2006