National Museum of Nuclear Science & History
R. R. Wischmeyer worked for the Midwest Piping and Supply Company.
George Cooper served in the 1395th Military Police Company, Aviation.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
L. L. Lee worked for the United States Engineer District Office.
Martin Warren was a staff worker at Los Alamos during the Manhattan Project.