
Christiaan Huygens, Lord of Zeelhem (April 14, 1629 – July 8, 1695), was a Dutch mathematician, physicist, engineer, astronomer, and inventor, who is regarded as one of the most important figures in the Scientific Revolution. In physics, Huygens made seminal contributions to optics and mechanics, while as an astronomer he is chiefly known for his studies of the rings of Saturn and the discovery of its moon Titan.

