Ludolph van Ceulen (1540–1610)

Born 1540 CE, died 1610 CE.

Ludolph van Ceulen (German: [ˈluːdɔlf fan ˈkɔʏlən], Dutch: [ˈlydɔl(ə) fɑŋ ˈkøːlə(n)]; 28 January 1540 – 31 December 1610) was a German-Dutch mathematician from Hildesheim known for the Ludolphine number, his calculation of the mathematical constant pi to 35 digits.

Text from the Wikipedia article Ludolph_van_Ceulen, licensed CC BY-SA 4.0.

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