National Museum of Nuclear Science & History
Grace Hardin worked for the J.A. Jones Construction Company.
Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.
Turping worked at the 200 East Area at Hanford during the Manhattan Project.
Leon O. Jacobson was Associate Director of the Health Division and Section Chief of H-I, Clinical Medicine and Medical Research, at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.