National Museum of Nuclear Science & History
Attended the University of Illinois.
Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Michael Rimek was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.