“The moving power of mathematical invention is not reasoning but imagination.”
Source : "The Life of Sir William Rowan Hamilton". Book by Robert Perceval Graves, Volume 3, p. 219, 1889.
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Franklin D. Roosevelt
32nd U.S. President
Grace Coolidge
Former First Lady of the United States
Grover Cleveland
24th U.S. President
Herbert Hoover
31st U.S. President
James A. Garfield
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Warren G. Harding
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William Howard Taft
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William McKinley
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Woodrow Wilson
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