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2013-06-27 13:45:21 UTC
http://en.wikipedia.org/wiki/Robert_Grosseteste
"Grosseteste is best known as an original thinker for his work concerning what would today be called science or the scientific method.
From about 1220 to 1235 he wrote a host of scientific treatises including:
De sphera. An introductory text on astronomy.
De luce. On the "metaphysics of light." (which is the most original work of cosmogony in the Latin West)
De accessu et recessu maris. On tides and tidal movements. (although some scholars dispute his authorship)
De lineis, angulis et figuris. Mathematical reasoning in the natural sciences.
De iride. On the rainbow."