Roger Bacon ((1210 to 1215?)-1294) was an English Alchemist and Philosopher during the Middle Ages who insisted on conducting his own experiments and observing

David Lindberg presents the first critical edition of the text of Roger Bacon's classic work Perspectiva, prepared from Latin manuscripts, accompanied by a faci

Legend may have transformed the thirteenth-century English friar Roger Bacon into the Faust-like sorcerer Doctor Mirabilis, but he stands today in high regard a