National Museum of Nuclear Science & History
Raymond Lowrey worked at the Hanford, Washington site for the Manhattan Project from 1943 to 1948. Lowrey began his career in the Oklahoma Ordnance Works before moving to Hanford and settling in Richland, Washington after the war.
Rau worked for Stone and Webster Engineering Corporation.
Madsen worked in the 100 D Area at Hanford during the Manhattan Project.
