National Museum of Nuclear Science & History
Donald Todd was a staff worker at Los Alamos during the Manhattan Project.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Redman worked at the 200 East area at Hanford during the Manhattan Project.
J. P. Sinclair worked for Clinton Laboratories at the X-10 Reactor.
