National Museum of Nuclear Science & History
H. A. McFadden worked for the Roane-Anderson Company.
Fry worked in the United States Engineer District Office.
E. J. Sekeres served in the 509th Headquarters.
Harris Mayer, born in 1921, is an American physicist. During World War II, Mayer joined the Manhattan Project at Columbia University.
V. N. Hacker worked for the J.A. Jones Construction Company.
