National Museum of Nuclear Science & History
Cummins worked in the United States Engineer District Office.
Howard Egan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert Lee Walker was an American physicist. Walker was born in 1919 in Saint Louis. He received a B.
Mary E. Parrish was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
