National Museum of Nuclear Science & History
H. A. Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
H. Cohen worked for the Roane-Anderson Company.
N. R. Glarum worked for Clinton Laboratories at the X-10 Reactor.