National Museum of Nuclear Science & History
Henry Martin worked for the J.A. Jones Construction Company.
Jesse Beams (1898-1977) was an American physicist. Beams worked on the Manhattan Project through his research on centrifuges.
Cochrane worked at the 100-D Area at Hanford during the Manhattan Project.
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.