Purple Ray prolonged exposure to the ray. The Amazons are shown to reside on the planet Venus in the 853rd century. There they use the Purple Ray to revive their warriors from temporary death brought about by brutal gladiatoral battles the Amazons engage in among one another. Purple Ray The Purple Ray, created by William Moulton Marston and featured in Wonder Woman comics, is a fictional healing device that brought a person back from the dead. Prior to the comic book storyline "Crisis on Infinite Earths", Diana invented the Purple Ray in order to heal Steve Trevor from injuries he sustained when
William Moulton Marston pressure test, which became one component of the modern polygraph invented by John Augustus Larson in Berkeley, California. Marston's wife, Elizabeth Holloway Marston, suggested a connection between emotion and blood pressure to William, observing that, "[w]hen she got mad or excited, her blood pressure seemed to climb". Although Elizabeth is not listed as Marston's collaborator in his early work, Lamb, Matte (1996), and others refer directly and indirectly to Elizabeth's own work on her husband's research. She also appears in a picture taken in his laboratory in the 1920s (reproduced by Marston, 1938). Marston set out to commercialize Larson's invention