National Museum of Nuclear Science & History
H. D. Collins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Ralph Berger was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
