National Museum of Nuclear Science & History
R. W. McElwee worked for the Union Carbide & Carbon Corporation.
Jane Sievers worked on the Manhattan Project at Hanford. She met her husband, chemist Truman P. Kohman, while living in Richland.
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.
Glen Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Wright Langham was an American biochemist and one of the foremost experts on plutonium. After completing his Ph.