National Museum of Nuclear Science & History
Ed Hall worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Samuel Theodore Cohen was born on January 25, 1921. He was an American physicist and is known as the father of the neutron bomb.
Spear worked at the 200 East Area at Hanford during the Manhattan Project.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.