About Mike Sekowsky
Michael Sekowsky (/səˈkaʊski/; November 19, 1923 – March 30, 1989) was an American comics artist known as the penciler for DC Comics' Justice League of America during most of the 1960s, and as the regular writer and artist on Wonder Woman during the late 1960s and early 1970s.
Description above from the Wikipedia article Mike Sekowsky, licensed under CC-BY-SA, full list of contributors on Wikipedia.