National Museum of Nuclear Science & History
S. W. Sayre worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. J. De Groot worked for the J.A. Jones Construction Company.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. Q. DuPont worked at the 300 Area at Hanford during the Manhattan Project.
