John Broome

John Broome (May 4, 1913 – March 14, 1999) was an American comic book writer for DC Comics, known for his work on The Flash, Green Lantern, and Mystery in Space. Along with Gil Kane, he co-created the supervillain Sinestro and the Green Lantern Guy Gardner, and received multiple awards including the Alley Award, Inkpot Award, and Bill Finger Award[1][3][7].