National Museum of Nuclear Science & History
P. N. Smith worked for the H. K. Ferguson Company.
Jean Marley O’Leary began working for General Leslie Groves in June 1941, when she was hired as his personal secretary.
Hays worked in the United States Engineer District Office.
C. R. Sanford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
