National Museum of Nuclear Science & History
U. W. Allen worked for the William A. Pope Company.
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Henderson worked at the 100-D Area at Hanford during the Manhattan Project.
H. T. Welty, Jr. worked for the Roane-Anderson Company.
Henry worked at the 300 Area at Hanford during the Manhattan Project.
