National Museum of Nuclear Science & History
B. E. Thomas worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
E. H. Marsden worked for the United States Engineer District Office.
Hubert P. Yockey is an American physicist who studied under J. Robert Oppenheimer at the University of California, Berkeley and worked with him during the Manhattan Project.