Purple Ray 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 his plane was shot down and he was left adrift in the sea for days. The Purple Ray was an all-around healing device. Variations on the concept survived into Earth-1, post-Crisis, post-Zero Hour and post Infinite Crisis continuities. Once it was used to revive the
Leonarde Keeler to Larson who had developed a multi-tasking polygraph. After graduating from high school, he enrolled at the University of California, Berkeley in the fall of 1923. He moved shortly after that to enroll in UCLA to follow Vollmer who accepted a new job as the Chief of Police for Los Angeles. In 1924, Keeler’s first handmade polygraph instrument, which he called "the Emotograph," was destroyed in a fire at his residence. On February 2, 1935, he conducted the first use of his invention, the Keeler Polygraph—otherwise known as the lie detector. Keeler used the lie detector on two criminals in