National Museum of Nuclear Science & History
K. C. McGregor worked for the Edenfield Electric Company.
Pechar worked in the 300 Area at Hanford during the Manhattan Project.
Edward Shapiro was an American scientist and Manhattan Project veteran. After receiving a Ph.D. from Purdue University, Shapiro worked as a research associate for the Manhattan Project at the Metallurgical Laboratory in Chicago and at Oak Ridge.
