National Museum of Nuclear Science & History
Harold Seward worked for the Roane-Anderson Company.
Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended the University of New Hampshire.
John Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kenneth Greisen was an American physicist. He worked on the Manhattan Project at Los Alamos. He was the leader of Group X-1A (Photogoraphy with Flash X-Rays) until it was dissolved in May 1945.
