National Museum of Nuclear Science & History
Keith Williams worked for the Keith Williams Company.
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.
C. M. Sheldon worked for the J.A. Jones Construction Company.
Ralph Lawson worked for the United States Engineer District Office.
