National Museum of Nuclear Science & History
Attended Minnesota State Teachers College.
Hulbush worked at the 300 Area at Hanford during the Manhattan Project.
R. F. Ridgeway worked for the Roane-Anderson Company.
Harold Hasenfus was part of the Special Engineer Detachment during the Manhattan Project and worked at the University of Chicago's Metalurgical Laboratory and at the gaseous diffusion plant in Oak Ridge.