National Museum of Nuclear Science & History
C. L. Langston worked for the Fercleve Corporation.
Coffey worked at the 300 Area at Hanford during the Manhattan Project.
Jerome Otto Ackerman was a member of the Special Engineer Detachment who served as a group leader at Los Alamos during the Manhattan Project.
Hugh T. Richards was an American physicist. He worked on neutron measurements for the atomic bombs at Los Alamos during the Manhattan Project.
