National Museum of Nuclear Science & History
Roger S. Warner, Jr. was a civilian scientist who worked as part of Project Alberta, the team that transported and assembled all the components of the two atomic bombs before the August 1945 bombings of Hiroshima and Nagasaki.
D. W. Harrigan worked for the Union Carbide & Carbon Corporation.
John Oathaot was a staff worker at Los Alamos during the Manhattan Project.