Artist: Walter and Naiad Einsel
Art director: Stevan Dohanos
First day of issue: July 10, 1973
Ink and gouache on tissue
A warm graphic design and careful scientific accuracy go hand-in-hand in this illustration, one of four that recognized breakthroughs in electronics. Similarly, this drawing was itself a collaborative effort: Renowned designers Walter and Naiad Einsel were the first husband-and-wife stamp design team.