National Museum of Nuclear Science & History
Roderick W. Spence was an American physical chemist who worked on the Manhattan Project at Los Alamos.
William (W.) Gregory Marley was a British physicist and photography expert, who was part of the British Mission to Los Alamos during the Manhattan Project.
William Bultman Holton was Chairman of the Chemistry Department at American University in 1938.
Robert Rose worked for the United States Engineer District Office.
