National Museum of Nuclear Science & History
J. E. Pearman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Matthew Sands (1919-2014) was an American physicist. In 1943, Matthew Sands began working for the Naval Ordnance Laboratory and developed two types of influence mines before being disillusioned by the bureaucracy of the navy.
