National Museum of Nuclear Science & History
W. E. Brewer worked for the Roane-Anderson Company.
J. A. Slice worked for the Union Carbide & Carbon Corporation.
Kenneth Peterson was a cryptographer for the 390th Air Service Group in the 509th Composite Group from September 1944 to November 1945.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
