National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Mary E. Parrish was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hopkins worked at the 200 West Area at Hanford during the Manhattan Project.
Harold White worked for the United States Engineer District Office.
Roy W. Carlson was an engineer. He worked on the Manhattan Project at Los Alamos and the University of California, Berkeley, as a member of the Explosives Division and Group X-2A.
