National Museum of Nuclear Science & History
Gebhart worked in the 200 East Area at Hanford during the Manhattan Project.
George C. Hollowwa was a member of the Army Air Corps and a weapons expert. During and after World War II, he was involved in the assembly and testing of atomic weapons.
N. C. Dresser worked at the 200 West Area at Hanford during the Manhattan Project.
Gene Hall worked for the Union Carbide & Carbon Corporation.