National Museum of Nuclear Science & History
Philip E. Doane served in the 1st Ordnance Squadron.
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Sloan worked at the 100-B Area at Hanford during the Manhattan Project.
Charles Schallis (1898-1965) was a staff worker at Los Alamos during the Manahttan Project.