National Museum of Nuclear Science & History
Paul Collins worked for the Roane-Anderson 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.
Walter Bartky (1901-1958) was an American educator and mathematician. He did both his undergraduate and graduate studies at the University of Chicago.
Henry Howard Roerkohl was commissioned as a 2nd lieutenant in the QM Corps Reserve on Jan 16, 1940. On Nov 9, 1942 Howard was transferred to the Northwest Service Command (NWSC), located in Whitehorse, Canada in the Yukon Territory.