National Museum of Nuclear Science & History
Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
J. R. Stark 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.
Pitzer worked for Stone and Webster Engineering Corporation.