National Museum of Nuclear Science & History
Laura A. Marshall was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Theodore “Dutch” Van Kirk served as a major in the 509th Composite Group’s Headquarters and Base Services Squadron.
Ellis Steinberg was an American Chemist. He was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. D. McPherson worked for the United States Engineer District Office.
Robert Martens was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.