Roger Bacon
Noun
Meaning
English scientist and Franciscan monk who stressed the importance of experimentation; first showed that air is required for combustion and first used lenses to correct vision (1220-1292)
Source: WordNetSynonyms
Examples
Gunpowder was known to Roger Bacon and Albertus Magnus about 1250, but... I conclude that both obtained a knowledge of it from Arabic sources.
Among the voluminous writings of Roger Bacon is a tractate De arte memorativa.
Davies (2009:24) However, there were those who did not believe this; for instance, the Franciscan friar Roger Bacon (c. 1214–94) stated that books falsely claiming to be by ancient authors "ought to be prohibited by law."
In the 13th century, Albertus Magnus and Roger Bacon were the most notable of these, their work summarizing and explaining the newly imported alchemical knowledge in Aristotelian terms.
His superiors wanted him to synthesize the work of Euclid, Alhazen, Vitello, Roger Bacon and others.
Bios. 75 (2): 78-84 * 1267 Roger Bacon explains the principles of the lens and proposes the idea of telescope and microscope.