National Museum of Nuclear Science & History
Pitzer worked for Stone and Webster Engineering Corporation.
Wilber A. Stevens was an army officer in charge of overseeing construction at Los Alamos. He helped choose the site where the Manhattan Project would test its first atomic bomb.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.