National Museum of Nuclear Science & History
Harry Grisham worked for the Kellex Corporation at the K-25 Plant.
Attended the University of Minnesota.
Robert Leroy Platzman was a chemist at the University of Chicago Metallurgical Laboratory during World War II.
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.