National Museum of Nuclear Science & History
W. N. Sparke worked for the J.A. Jones Construction Company.
Annie Powell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. P. Moore worked as a chemist for US Vanadium Company and then as Chief Chemist at Grand Junction, CO, where he analyzed uranium.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
