National Museum of Nuclear Science & History
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Sanfranski worked at the 300 Area at Hanford during the Manhattan Project.
Bernard Weinstock was an American chemist. Weinstock was born in New York City. He studied at Columbia University, where he became part of the research team led by Harold Urey.