National Museum of Nuclear Science & History
Gagen worked in the United States Engineer District Office.
Attended Wyomissing Polytechnic Institute.
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.
Twichell worked at 200 West Area at Hanford during the Manhattan Project.
