Robert W. Kupp

William S. Hartnett

Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.

H. V. Appen

H. V. Appen worked for the J.A. Jones Construction Company.

Ralph Gruber

John H. Hershey

Hershey worked at the 300 Area at Hanford during the Manhattan Project.