National Museum of Nuclear Science & History
M. E. Gregson worked for the Roane-Anderson 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.
Virginia Meschke was a chemist and technician at the University of Chicago Met Lab. She specialized in plutonium chemistry.
