Rudolph Snellius

Rudolph Snel van Royen (5 October 1546 – 2 March 1613), Latinized as Rudolphus Snellius, was a Dutch linguist and mathematician who held appointments at the University of Marburg and the University of Leiden. Snellius was an influence on some of the leading political and intellectual forces of the Dutch Golden Age. Provided by Wikipedia