National Museum of Nuclear Science & History
Marian Pinckard was a lab technician in the Chemistry Division of the Chicago Met Lab during the Manhattan Project.
Hatfield worked in the United States Engineer District Office.
John Weil was a member of the Special Engineer Detachment serving at Los Alamos from early 1943 through the end of the war.
Loew worked in the 300 Area at Hanford during the Manhattan Project.
