Dennis O'Neil was born on May 3, 1939 in St. Louis, Missouri. He had a long career and prolific career as a comic book writer and editor. His most famous work was with artist Neal Adams on GREEN LANTERN / GREEN ARROW and the Batman titles, and Denys Cowan on THE QUESTION. He also had a short but famous run on Superman in the early 1970's under editor Julius Schwartz. Dennis wrote stories for SUPERMAN issues 233 - 254, cover dated January 1971 - July 1972. You can read this storyline in the hardcover SUPERMAN: KRYPTONITE NEVERMORE.