National Museum of Nuclear Science & History
Romero was a staff member at Los Alamos during the Manhattan Project.
Robert Keen enlisted in the military on December 28, 1944 and began his training for the U.S. Army Corps of Engineers in January of 1945.
Busse worked for Stone and Webster Engineering Corporation.
A. B. Cardwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.