National Museum of Nuclear Science & History
Frank J. Schnettler was an American metallurgist who studied the properties of plutonium at Los Alamos.
C. M. Walker, Jr. worked for the Kellex Corporation at the K-25 Plant.
Hugh T. Richards was an American physicist. He worked on neutron measurements for the atomic bombs at Los Alamos during the Manhattan Project.
R. D. Sheahan worked for the United States Engineer District Office.