![Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing](https://c8.alamy.com/comp/MYNXWW/roger-bacon-c121920-c1292-aka-doctor-mirabilis-english-philosopher-and-franciscan-friar-illustration-by-gordon-ross-american-artist-and-illustrator-1873-1946-from-living-biographies-of-famous-men-MYNXWW.jpg)
Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing
![Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing](https://c8.alamy.com/comp/P03PMG/roger-bacon-121920-1292-was-an-english-philosopher-and-franciscan-friar-who-studied-and-later-taught-at-oxford-university-and-the-university-of-paris-he-had-a-reputation-as-an-unconventional-scholar-pursuing-learning-in-alchemy-and-magic-which-earned-him-the-soubriquet-doctor-mirabilis-this-led-to-his-rejection-from-the-franciscans-and-eventual-imprisonment-bacon-investigated-optics-and-the-refraction-of-light-through-lenses-leading-to-the-development-of-spectacles-he-sought-reform-of-the-calendar-and-was-interested-in-astronomy-P03PMG.jpg)
Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing
![Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing Roger Bacon (1219/20-1292), was an English philosopher and Franciscan friar who studied and later taught at Oxford University and the University of Paris. He had a reputation as an unconventional scholar, pursuing](https://c8.alamy.com/zooms/9/3e8d51330c3d417aa91daf99d7a24f5e/2fn645c.jpg)