National Museum of Nuclear Science & History
R. G. Humphries worked for the United States Engineer District Office.
C. F. Hill served in the 509th Headquarters and Base Services Squadron.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Winifred Moon was was married to British physicist Phillip Moon. She was a staff worker at Los Alamos during the Manhattan Project.
