National Museum of Nuclear Science & History
H. R. Koonce worked for the J.A. Jones Construction Company.
Thornton worked at the 300 Area at Hanford during the Manhattan Project.
J. H. Hubbs served in the 390th Air Service Group.
Ida Cunningham was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
