National Museum of Nuclear Science & History
Twichell worked at 200 West Area at Hanford during the Manhattan Project.
Elsie Harrington was a civilian RO Operator at Oak Ridge, Tennessee from October 1943 to February 1947.
Paul W. Steuer served in the 393rd Bombardment Squadron.
Dr. Joseph Katz was a chemist at Argonne National Laboratory at the Metallurgical Lab in Chicago. Katz was a part of a team that studied ways to make the diffusion of U-235 to U-238.
