National Museum of Nuclear Science & History
W. H. Seaman worked for the United States Engineer District Office.
Curtis Oden worked for the J.A. Jones Construction Company.
H. E. Wentworth worked for the Roane-Anderson Company.
Harold Koch was an electrical engineer at Oak Ridge, Tennessee during the Manhattan Project.
Carl Helmholz (1915-2003) was an American physicist involved with the Manhattan Project. Helmholz was born on May 24, 1915 in Evanston, Illinois.