Harlow Shapley
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Harlow Shapley was an American scientist, head of the Harvard College Observatory (1921–1952), and political activist during the latter New Deal and Fair Deal.
Shapley (first standing from the right) at a Science Service board meeting in 1941
Members of the Independent Voters Committee of the Arts and Sciences for Roosevelt visit FDR at the White House (October 1944). From left: Van Wyck Brooks, Hannah Dorner, Jo Davidson, Jan Kiepura, Joseph Cotten, Dorothy Gish, Dr. Harlow Shapley
Progressive Citizens of America members, 1947. From left, seated, Henry A. Wallace, Elliott Roosevelt; standing, Dr. Harlow Shapley, Jo Davidson
Henry Norris Russell
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Henry Norris Russell ForMemRS HFRSE FRAS was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910). In 1923, working with Frederick Saunders, he developed Russell–Saunders coupling, which is also known as LS coupling.
Russell at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory, 1910