Didn't Christiaan Huygens author a system of mechanics of light in rainbows[0]? — he developed an angle prediction system in algebra, if I recall. [0]: http://

Didn't Christiaan Huygens author a system of mechanics of light in rainbows[0]? — he developed an angle prediction system in algebra, if I recall. [0]: http://ww2.odu.edu/~jadam/docs/jadam_geometric_optics_and_rainbows.pdf http://ww2.odu.edu/~jadam/docs/jadam_geometric_optics_and_ra..., http://www.gutenberg.org/files/14725/14725-h/14725-h.htm http://www.gutenberg.org/files/14725/14725-h/14725-h.htm