Donald L. Heck (January 2, 1929 – February 23, 1995) was an American comics artist best known for co-creating the Marvel Comics characters Iron Man, the Wasp, Black Widow, Hawkeye, and Wonder Man and for his long run pencilling the Marvel superhero-team series The Avengers during the 1960s Silver Age of comic books. Description above from the Wikipedia article Don Heck, licensed under CC-BY-SA, full list of contributors on Wikipedia.