National Museum of Nuclear Science & History
W. O. Robertson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Paul Baranowsky served in the Army group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ruth A. Casler was a lab technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
