National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Howard R. Kratz (1916-2013) was a nuclear physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. W. Vitale served in the 390th Air Service Group.
Attended Brown University.
Hasselblad worked at the 100-F Area at Hanford during the Manhattan Project