National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
Barney J. O’Keefe served in the military as an ensign during the war. He was a member of Project Alberta, the team that transported and assembled the two atomic bombs preceeding the August 1945 bombing missions on Hiroshima and Nagasaki.
Jones worked at the 300 Area at Hanford during the Manhattan Project.
Matias A. Zamora is a retired attorney and judge, and a U.S. Army veteran. He worked as a server at Fuller Lodge at Los Alamos during the Manhattan Project.