National Museum of Nuclear Science & History
A. A. White worked for 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.
Johnson worked for Stone and Webster Engineering Corporation.
D. G. Graham worked for the Tennessee Eastman Corporation at the Y-12 Plant.