National Museum of Nuclear Science & History
Thomas H. Olmstead worked as a part of Project Alberta, the team that transported and assembled the two atomic bombs preceeding the August 1945 bombing missions on Hiroshima and Nagasaki.
N.F. Bowman was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harrah worked at the 300 Area at Hanford during the Manhattan Project.