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  1. John Caldwell Calhoun (/ k æ l ˈ h uː n /; March 18, 1782 – March 31, 1850) was an American statesman and political theorist who served as the seventh vice president of the United States from 1825 to 1832.

  2. John Bumpass Calhoun (May 11, 1917 – September 7, 1995) was an American ethologist and behavioral researcher noted for his studies of population density and its effects on behavior. He claimed that the bleak effects of overpopulation on rodents were a grim model for the future of the human race.

  3. Feb 26, 2015 · Calhoun’s experiments, which started with rats an outdoor pen and moved on to mice at the National Institute of Mental Health during the early 1960s, were interpreted at the time as evidence of...

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    • Maris Fessenden
  4. Nov 9, 2009 · Learn about John C. Calhoun, one of the most influential politicians in the United States and a leading voice for the South during the antebellum era. He served in various roles, including vice president, secretary of war, and senator, and advocated for states' rights and slavery.

  5. Sep 14, 2016 · Dr. John Bumpass Calhoun spent the ’60s and ’70s playing god to thousands of rodents.

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  7. Jun 12, 2006 · John C. Calhoun, the Souths recognized intellectual and political leader from the 1820s until his death in 1850, devoted much of his remarkable intellectual energy to defending slavery. He developed a two-point defense.

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