National Museum of Nuclear Science & History
H. O. Arnold worked for the Kellex Corporation at the K-25 Plant.
Messick worked in the 200 West Area at Hanford during the Manhattan Project.
Herbert M. Lehr was a member of the Special Engineer Detachment who worked at Los Alamos during the Manhattan Project.
Norma J. Hinton was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
