National Museum of Nuclear Science & History
Silvilers worked at the 200 East Area at Hanford during the Manhattan Project.
William H. Rigby worked for the Comstock-Bryant Electric Company.
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.
James P. Tilley served in the 393rd Bombardment Squadron.