National Museum of Nuclear Science & History
H. A. Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Abraham L. Longfield was a Procurement and Property Officer for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Fred Saak served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
W. A. Gracey worked for the Roane-Anderson Company.