National Museum of Nuclear Science & History
Barr worked for Stone and Webster Engineering Corporation.
Russell E. Gackenbach served as a 2nd Lieutenant in the 393rd Bombardment Squadron and in the 509th Composite Group.
Attended the University of Oklahoma.
Rentschler worked at the 100-D area at Hanford during the Manhattan Project.
Bill Hartnett worked in plutonium metallurgy for the Manhattan Project at the Hanford Engineer Works from January 1943 to December 1946.
