Seymour Chwast (b. 1931) is a graphic designer and a co-founder of Push Pin Studios. A designer of posters, magazine covers, and types, he received the AIGA Medal in 1985. See one of his faces here. See more of his work here.
Russem, Michael. Postage Stamps by AIGA Medalists. Cambridge, MA: Kat Ran Press, 2013.