National Museum of Nuclear Science & History
Robert Traver was a staff worker at Los Alamos during the Manhattan Project.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ralph C. Berger served in the 603rd Air Engineering Squadron.
James worked at the 300 Area at Hanford during the Manhattan Project.
