National Museum of Nuclear Science & History
Leonard Beyer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Royster was a civilian physicist working at the X-10 graphite reactor in Oak Ridge, Tennessee.
Wuethrich worked for Stone and Webster Engineering Corporation.
Ernest Mekanas was a member of the Provisional Engineering Detachment at Los Alamos. Mekanas was in Los Alamos from 1943 to 1945, working primarily at the post office.