Roger Bacon · Science
Bacon’s <em>Perspectiva</em> (Part V of the <em>Opus Majus</em>): his study of light, lenses, the anatomy of the eye, and the rainbow, built on the great optics of Ibn al-Haytham (Alhazen), which Bacon helped transmit to the Latin West - including his prophetic note that a curved glass could help failing eyes read.
You learned that Bacon’s Perspectiva transmitted Alhazen’s optics to Latin Europe, treated light as the clearest case of the geometrical ‘multiplication of species,’ studied the eye, the burning-glass, and the rainbow (measuring its angle), and described how a convex glass magnifies letters for…
Leads to Ibn al-Haytham.
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