National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
L. D. Percival King was an American physicist. After receiving his Ph.D. in Physics from the University of Chicago, King became an instructor in the Physics Department at Purdue University.
Tom Norvelle served in the Army at Los Alamos during the Manhattan Project.
H. T. Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.