Here are a few links not directly related to my research.

• Chess problems
  Some links to chess problems on the web.

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• Consciousness
  

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• My Putnam problems
  A list of problems I submitted for inclusion on the Putnam Exam when I was a member of the three-person committee to write the 1984-86 exams (8 page PostScript file).

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• Juggling
  

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• Encyclopedias, glossaries, etc.
  Some specialized reference sites on the web.

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• Illusions
  Some amazing optical and auditory illusions.

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• Card trick (less likely to succeed with mathematicians)
  

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• Kenneth
  My son's home page. A further blurb and another. Some computerized pictures of him.
  

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• Sharon: a web page about my daughter
  An (out-of-date) web page
  An essay entitled "Retreat from Politics: The Cynic in Modern Times" (subscription necessary). Abstract.
  

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• Birth announcement arranged by my grandparents
  

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• Home Page of my mother's father's sister's daughter's son.
  

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• Gian-Carlo Rota, 1932-1999
  Some links related to my thesis adviser.

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• The Early Years
  How I became interested in mathematics (two page PostScript file).

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• Oimyakon and Verkhoyansk weather.
  The coldest towns in the world during winter. Two other chilly places: Amundsen-Scott Station (South Pole) and Vostok (the coldest place on the earth's surface).

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• Polynomials with interesting sets of zeros: some examples

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• Find a positive integer n<10,000,000 such that the first four digits (in the decimal expansion) of n^1,000,000 are all different. The problem should be solved in your head. Answer.

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• Which combinatorialist has the most number of syllables in his/her (non-compound) surname? Here is a candidate.

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• Top box office movies. An exceptional number are math-related. Thanks to Christine Bessenrodt for discovering this surprising information.

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• On what day in the year 2011 (among all days that year) will the least number of women in the United States have a natural (noninduced) childbirth? Answer.

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• The star-nosed mole: a strange-looking animal

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• A contribution to bridge bidding theory entitled "Informative redoubles of 7NTx" (Postscript or PDF), Bridge Today, July/August 2001, pp. 52-53 (two pages). Also discussed in the ACBL Bridge Bulletin, February 2002, page 116.

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