National Museum of Nuclear Science & History
Robley "Rob" Johnson arrived at Hanford on May 2, 1943, at the age of 35. He was one of the first repersentatives of the DuPont Company on the scene.
H. L. Longcrier worked for the J.A. Jones Construction Company.
H.W. was a consultant at Metallurgical Laboratory in Chicago during the Manhattan Project.
