National Museum of Nuclear Science & History
J. J. Donovan 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.
Smith worked at the 100-B Area at Hanford during the Manhattan Project.
M. M. MacDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
