National Museum of Nuclear Science & History
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
Bell worked at the 200 West Area at Hanford during the Manhattan Project.
C. B. Verbal worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Robert P. Matthews worked as a member of Project Alberta, the team that transported and assembled the Fat Man and Little Boy atomic bombs.