National Museum of Nuclear Science & History
L. L. Kallestad worked for the United States Engineer District Office.
Harold J. Rider served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Edna Rhea worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Dorothea Lisle was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.