Original: Christiaan Huygens, FRS (,; 14 April 1629 8 July 1695) was a prominent Dutch mathematician, astronomer, physicist, horologist, and writer of early science fiction.
Simplified: Christiaan Huygens (April 14, 1629 - July 8, 1695) was a Dutch physicist, mathematician and astronomer, born in The Hague.