Ludolph van Ceulen
German-Dutch mathematician
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Ludolph van Ceulen was a German-Dutch mathematician from Hildesheim. He emigrated to the Netherlands. Wikipedia
Born: January 28, 1540, Hildesheim, Germany
Died: December 31, 1610 (age 70 years), Leiden, Netherlands
Nationality: Dutch and German
Partner: Adriana van Ceulen
Known for: Ludolphine number