National Museum of Nuclear Science & History
Schroeder worked at the 100-D Area at Hanford during the Manhattan Project.
Robert Follit was a member of the Special Engineering Detachment assigned to the 509th Composite Group on Tinian Island in the Pacfic.
Charles O’Neil was a staff worker at Los Alamos during the Manhattan Project.
Helen Addison worked for the Roane-Anderson Company.