Dick Klingens
Dick klingens' homepage
http://www.pandd.demon.nl/
Andrew Hanson
Andrew Hanson
http://www.cs.indiana.edu/~hanson/
Jan van de Craats
Jan van de Craats
http://staff.science.uva.nl/~craats/
Peter Doyle
Peter doyle
http://www.math.dartmouth.edu/~doyle/
Rudy Rucker
Rudy rucker's home page
http://www.cs.sjsu.edu/faculty/rucker/
S.Plouffe
S.Plouffe
http://www.lacim.uqam.ca/~plouffe/