Gary Cohn (born January 25, 1952) is an American comic book writer, and co-creator (with Dan Mishkin) of the DC Comics characters Amethyst, Princess of Gemworld and Blue Devil.
Gary Cohn (born January 25, 1952) is an American comic book writer, and co-creator (with Dan Mishkin) of the DC Comics characters Amethyst, Princess of Gemworld and Blue Devil. (en)