References for Kenneth Appel

Version for printing

Books:

  1. R Wilson, Four Colors Suffice: How the Map Problem Was Solved (Princeton University Press, Princeton, 2002).

Articles:

  1. K I Appel, Roger C Lyndon: a biographical and personal note, in K I Appel, J G Ratcliffe and P E Schupp (eds.), Contributions to group theory, Contemporary Mathematics 33 (Prividence, 1984), 1-10.
  2. K I Appel, The Use of the Computer in the Proof of the Four Color Theorem, Proc. Amer. Philos. Soc. 128 (1) (1984), 35-39.
  3. K I Appel and W Haken, The Nature of Proof: Limits and Opportunities, The Two-Year College Mathematics Journal 12 (2) (1981), 118-119.
  4. K I Appel and W Haken, The Four Color Proof Suffices, The Mathematical Intelligencer 8 (1) (1986), 10-20.
  5. Kenneth Appel, mathematician of maps, died on April 19th, aged 80, The Economist (4 May 2013).
  6. Kenneth Appel, 80; first to use a computer to prove a major math theorem, The Boston Globe (30 April 2013).
  7. D Brooks, Proving the four-color theorem expanded math's frontiers, University of New Hampshire Magazine Online (Spring 2002).
    http://unhmagazine.unh.edu/sp02/mathpioneers.html
  8. M Kingston, Famed mathematician Ken Appel recalled fondly, Fosters.com.
    http://www.fosters.com/apps/pbcs.dll/article?AID=/20130508/GJNEWS_01/130509284
  9. Obituary: Kenneth I Appel (October 8, 1932 - April 19, 2013), Tasker Funeral Service.
    http://www.taskerfh.com/fh/obituaries/obituary.cfm?o_id=2069700&fh_id=12298
  10. D Overbye, Kenneth I Appel, Mathematician Who Harnessed Computer Power, Dies at 80, The New York Times (28 April 2013).
  11. R Thomas, An update on the Four Color Theorem, Notices Amer. Math. Soc. 45 (7) (1998), 848-859.
  12. B Toft, Review: Four Colors Suffice: How the Map Problem Was Solved, by Robin Wilson, Notices Amer. Math. Soc. 51 (2) (2004), 205-207.
  13. A Ward, Kenneth Appel Dies: Mathematician Ushered Computer Into Everyday Use, Newsmax (30 April 2013).
  14. M Weil, Kenneth Appel, mathematician who solved four-color map problem, dies at 80, The Washington Post (30 April 2013).

JOC/EFR October 2013

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