National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Alberto Alarid was a truck driver who worked at Los Alamos from 1943 until 1966.
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.
Conley worked at the 100-B Area at Hanford during the Manhattan Project.
