Treatise on Light
Author: first_name:  Christiaan
last_name: Huygens
Language: English
Year: 1912

Treatise on Light was published in 1690 and is probably the largest scientific volume on light published before Newton's Opticks. The book explains how light travels (i.e., that it has a certain velocity), and what happens when it hits a surface (refraction and reflection). A large portion of the book is devoted to the double refraction occurring in Iceland chrystal, and all drawn conclusions are proved geometrically. <br><br>

Christiaan Huygens (1629 - 1695) was a prominent physicist and ast