National Museum of Nuclear Science & History
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
Frank Oppenheimer (1912-1985) was an American particle physicist. In 1941, Oppenheimer began work at the University of California Radiation Laboratory, where he was a group leader in uranium isotope separation under Ernest Lawrence.
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.
J. F. Morgan worked for the J.A. Jones Construction Company.