National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Max Gittler was working on his degree in mechanical engineering at NYU when he was drafted into the Army during World War II.
Pfennig worked for Stone and Webster Engineering Corporation.
Samuel Proctor Massie Jr. (1919-2005) was an African American chemist who worked on the Manhattan Project.
