Rich Buckler (February 6, 1949 – May 19, 2017) was an American comics artist and penciller, best known for his work on Marvel Comics' Fantastic Four in the mid-1970s and for creating the character Deathlok in Astonishing Tales #25. Buckler drew virtually every major character at Marvel and DC, often as a cover artist. Description above from the Wikipedia article Rich Buckler, licensed under CC-BY-SA, full list of contributors on Wikipedia.
