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Philip Greenspun

• http://philip.greenspun.com/ --Homepage
• http://blogs.law.harvard.edu/philg/ --Blog
  
• Wiki:PhilipGreenspun

Greenspun's 10th rule of programming

Any sufficiently complicated C or Fortran program contains an ad hoc informally-specified bug-ridden slow implementation of half of Common Lisp.

• Wiki:GreenspunsTenthRuleOfProgramming
• http://en.wikipedia.org/wiki/Greenspun's_Tenth_Rule

An example of Greenspun's tenth rule in action is the GTK+ library. Though written in C, GTK+ has garbage collection, dynamic loading, object orientation, and even closures, all of which are features of Common Lisp.

• PaulGraham referrs to this in HackersAndPainters

• Wiki:PhilipGreenspunOnOvertime