National Museum of Nuclear Science & History
Gagen worked in the United States Engineer District Office.
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.
McMillan worked in the 100 F Area at Hanford during the Manhattan Project.
Bearde worked at Los Alamos during the Manhattan Project.