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Ludolph van Keulen

Affiliations: 
Leiden University, Leiden, Netherlands 
Area:
mathematics
Website:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Van_Ceulen.html
Google:
"Ludolph van Keulen"
Bio:

Ludolph van Keulen was a German mathematician who is famed for his calculation of Pi to 35 places. In Germany Pi used to be called the Ludolphine number.

Cross-listing: Physics Tree