National Museum of Nuclear Science & History
H. C. Elliott worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Caldwell worked at the 200 West Area at Hanford during the Manhattan Project.
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.
