Noted for his distinct and realistic drawing style, Paul Calle (1928-2010) was selected in 1962 to participate in the NASA Art Program and later became the sole artist chosen to depict the astronauts of the Apollo 11 mission. Much of his work consists of postage stamp design for the U.S. Postal Service and other organizations. During the latter part of his career he focused on Western subjects, and many of his drawings belong to major Western art collections.