Christiaan Huygens (1629-1695), from Hague, was the "prince of philosophers in Holland, and one of the greatest scientists of the seventeenth century", according to Cajori (190). Huygens showed partiality for Greek geometry, Huygens is known for revolutionary work on the catenary, the pendulum, probability, logarithms, cycloids, centers of oscillation, and many other topics.