National Museum of Nuclear Science & History
L. G. Tanner worked for the United States Engineer District Office.
June H. Roberts was a research assistant in the Instruments Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Caddell worked for Stone and Webster Engineering Corporation.
Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.
Roy Phillippi worked for the Tennessee Eastman Corporation at the Y-12 Plant.
