National Museum of Nuclear Science & History
Perry worked in the 200 West Area at Hanford during the Manhattan Project.
Laska worked in the 200 East Area at Hanford during the Manhattan Project.
Grace Thompson was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.
Curtis T. Barker served in the 1st Ordnance Squadron.