National Museum of Nuclear Science & History
O. H. Moyer worked for the J.A. Jones Construction Company.
Bretscher worked at Los Alamos during the Manhattan Project.
Jacob Epting worked as a carpenter in Oak Ridge, TN from November 1942 to October 1943. While Epting assumed he was building a hospital, he was never formally told about the project he was working on.
F. E. Wilt worked for the United States Engineer District Office.
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.