National Museum of Nuclear Science & History
Marceil Roberson worked for the H. K. Ferguson Company.
James A. Hooker served in the 393rd Bombardment Squadron.
Walter Treibel was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Gordon Hamilton worked for the J.A. Jones Construction Company.
Blanche J. Lawrence was an African-American research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.