National Museum of Nuclear Science & History
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Christensen worked at the 100-F Area at Hanford during the Manhattan Project.
G. A. Nichols worked for the United States Engineer District Office.
L. F. Kogler served in the 390th Air Service Group.