National Museum of Nuclear Science & History
H. L. Russell worked for the United States Engineer District Office.
Roy Greenlee was a chemist at the University of Chicago Metallurgical Lab and at Oak Ridge, Tennessee.
Frank A. Alger Sr. was a member of the 509th Composite Group at Wendover, UT and later transferred to Tinian Island to prepare for the atomic bomb mission against Japan.
James Jensen was a machinist at Hanford, Washington from September 1944 to the end of the war. Jensen's security clearance allowed him to machine parts and complete various tasks for the maintenance of the nuclear piles.