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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "pub

This book is a collection of writings by the English philosopher and Franciscan friar Roger Bacon. It includes a fragment of his Opus Tertium, which had never b

The first comprehensive biography of the medieval monk chronicles the life and accomplishments of Roger Bacon, whose experiments helped bring Europe out of the