National Museum of Nuclear Science & History
Hart worked at the 300 Area at Hanford during the Manhattan Project.
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.
Mr. U. M. Staebler graduated from the University of Kansas with a B.S. degree in Physics in 1942, and had since devoted his entire professional career to the field of nuclear energy.
E. A. Pluhar worked for the Union Carbide & Carbon Corporation.
