National Museum of Nuclear Science & History
Helene Smith was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
M. G. Sonner worked for the J.A. Jones Construction Company.
Bretscher worked at Los Alamos during the Manhattan Project.
Edward Bankowski was a part of the 509th Composite Group stationed on Tinian Island in the Pacific. Specifically, Bankowski was an Aircraft Maintenance Chief with the 603rd Air Engineering Squadron from May to November 1945.
