National Museum of Nuclear Science & History
McCullough worked in the 100 D Area at Hanford during the Manhattan Project.
Lonnie B. Hancock served in the 393rd Bombardment Squadron.
Hagan worked in the United States Engineer District Office.
James A. Parsons was an American chemical engineer. Parsons was born in Hand County, South Dakota. Upon graduation from South Dakota School of Mines and Technology, B.