National Museum of Nuclear Science & History
Helgeson worked at the 300 Area at Hanford during the Manhattan Project.
R. N. Jernigan worked for the J.A. Jones Construction Company.
Russell E. Gackenbach served as a 2nd Lieutenant in the 393rd Bombardment Squadron and in the 509th Composite Group.
Mildred Thompson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
