National Museum of Nuclear Science & History
Paul Willard was a staff worker at Los Alamos during the Manhattan Project.
Gritten worked in the United States Engineer District Office.
J. R. Siebert worked for the Comstock-Bryant Electric Company.
J. J. Tulley worked for the Fercleve Corporation.
Charles E. Kircher III (1908-1972) was a chemical engineer who worked on the Manhattan Project for DuPont.
