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C.D. Warner, et al., comp.
The Library of the World’s Best Literature. An Anthology in Thirty Volumes. 1917.

Orson Pratt (1811–1881)

Pratt, Orson. A Mormon apostle, educator, and professor; born in Hartford, CT, Sept. 19, 1811; died in Salt Lake City, Oct. 3, 1881. He was one of the twelve apostles of the Mormon Church (1835), and was in charge of European missions from 1840. He was professor of mathematics in Deseret University; also church historian and recorder. His writings include: ‘Divine Authenticity of the Book of Mormon’ (6 parts, 1851); ‘Patriarchal Order, or Plurality of Wives’ (1853); ‘Cubic and Biquadratic Equations’ (1866); ‘Key to the Universe’ (1879); and ‘The Great First Cause.’ He left in manuscript a ‘Treatise on the Differential Calculus.’