National Museum of Nuclear Science & History
Esther Stenstrom arrived at Oak Ridge in 1943, after she and her husband were picked to work in the secret city.
Welch worked at the 200 West Area at Hanford during the Manhattan Project.
George Placzek was a Czech physicist. He was born in Brno, Moravia, which was then part of Austria-Hungary but today is in the Czech Republic.
