National Museum of Nuclear Science & History
John Milham worked for the H. K. Ferguson Company.
Phil Gardner was senior labor recruitment supervisor for the Hanford site. Although he was first an employee of the DuPont Company, he worked under the direction of the War Manpower Commission and his tasks were assigned according to the needs of the War Department.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.