Harold W. Zang

Seymour Bernstein

Seymour Bernstein (1923-2015) was an American chemical engineer who worked on the Manhattan Project. He was a member of the Special Engineer Detachment at Oak Ridge and worked as a laboratory supervisor at the K-25 Plant.

Delavan Halloran

Halloran worked in the United States Engineer District Office.

George Maronde

George Maronde was a security guard at the University of Chicago Metallurgical Lab. He stood guard outside Stagg Field when Chicago Pile-1 went critical on December 2, 1942.

W. L. Bowen