National Museum of Nuclear Science & History
Lemmon was a Technical Sergeant who worked at Hanford during the Manhattan Project.
Jane Roberg was an American physicist. She earned a Ph.D. from Duke University and was working at the University of California when she was recruited to work on the Manhattan Project at Los Alamos.
Luis Alvarez (1911-1988) was an American experimental physicist and winner of the 1968 Nobel Prize in Physics.
Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.