Writer and editor at Marvel and DC from the 1960s. He wrote Green Lantern/Green Arrow and Batman with artist Neal Adams, and from 1986 until his 2001 retirement edited the Batman titles at DC.
Writer and editor at Marvel and DC from the 1960s. He wrote Green Lantern/Green Arrow and Batman with artist Neal Adams, and from 1986 until his 2001 retirement edited the Batman titles at DC.