Well-rounded biography of Roger Bacon with very clear explanation of his philosophy. The focus is on his belief that knowledge can be attained through scientific experiments and through divine inspiration. Includes brief excerpt from...

This site provides a description of how and when gunpowder was discovered and used for military purposes. Also includes information on the invention of machinery, like cannons or guns, to make use of gunpowder.

Interesting, sophisticated, and well-documented analysis of Roger Bacon's place in the history of alchemy, including quotations and/or references to "Opus Minus," "Opus Tertium," and "DePlantis."Also includes a matrix showing the...

Artisti's rendering, from circa 1751, of Roger Bacon.

A black-and-white portrait of Roger Bacon, English scientist and philospher of the thirteenth century.