National Museum of Nuclear Science & History
Clark Prather worked for the Kellex Corporation at the K-25 Plant.
K. A. O'Connor worked for the Roane-Anderson Company.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Percival C. “Dobie” Keith was Vice President for Research and Engineering for the M.W. Kellogg Company.
