National Museum of Nuclear Science & History
Charles Rupchock (1923-2000) was a staff worker at Los Alamos during the Manhattan Project.
Clyde Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Arthur Daniel Schelberg (1921-2009) was an American physicist. Schelberg was born in New York City. He studied at physics in Princeton, and was recruited to join the Manhattan Project at Los Alamos in 1943.
