National Museum of Nuclear Science & History
H. L. Roland worked for the Midwest Piping and Supply Company.
Felix DePaula was born in Brooklyn, New York on June 3, 1926. He was drafted into the U.S. Army in 1944, and placed in the Army Corps of Engineers.
Kay Hamilton was a biologist in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
