National Museum of Nuclear Science & History
Hollis worked for Stone and Webster Engineering Corporation.
E. L. Robinson worked for the H. K. Ferguson Company.
Lewis W. Graves worked for the Roane-Anderson Company.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Charles Mayberry worked for the United States Engineer District Office.
