National Museum of Nuclear Science & History
Ann Ludie worked for the United States Engineer District Office.
Paul Jones worked for the J.A. Jones Construction Company.
H. R. Chapman worked for the H. K. Ferguson Company.
Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.
Haigh worked at the 100-F Area at Hanford during the Manhattan Project.
