National Museum of Nuclear Science & History
Sid Williams worked for the H. K. Ferguson Company.
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.
Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.
Robert Rose worked for the United States Engineer District Office.
