National Museum of Nuclear Science & History
Romero was a staff member at Los Alamos during the Manhattan Project.
C. E. McGill, Sr. worked for the Kellex Corporation at the K-25 Plant.
B. B. Evans worked at the 200 West Area at Hanford during the Manhattan Project.
Arthur M. Ross was born in Revere, MA. He attended the Massachusetts Institute of Technology. During the Manhattan Project, he served in the Special Engineer Detachment at Oak Ridge, TN at the X-10 Graphite Reactor.