From: jlee@cse.cuhk.edu.hk   
      
   A.L.  wrote:   
   > On Sun, 23 Oct 2005 06:07:46 GMT, "Jimmy H.M. Lee"   
   >  wrote:   
   >   
   >>Sudoku can be solved even using generate-and-test, but this will just take   
   >>forever.  Of course, Prolog can be used to solve Sudoku, but a   
   >>constraint-based solution will be much more efficient.  Being at UBC, you   
   >>have the privilege of learning constraint programming from the Father of   
   >>Constraints.   
      
   > Hm... Who is "Father of Constraints"?... Looking in the past, there   
   > are quite a bit of "fathers" but no one at UBC...   
      
   > A.L.   
      
   How about Prof. Alan Mackworth?  The entire constraint field was started   
   with his seminal paper in 1977.   
      
   Cheers,   
   jim   
      
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