National Museum of Nuclear Science & History
Jesse Beams (1898-1977) was an American physicist. Beams worked on the Manhattan Project through his research on centrifuges.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
F. R. O'Brien worked for the Tennessee Eastman Corporation at the Y-12 Plant.
