While in the thirteenth century in medieval Europe, English bishop Robert Grosseteste wrote on a wide range of scientific matters, and mentioned light from 4 various perspectives: an epistemology of light, a metaphysics or cosmogony of light, an etiology or physics of light, in addition to a theology of light,[15] https://audio23692.blogrelation.com/35944119/new-step-by-step-map-for-royalty-free-music