He used the theories of Albumazar to develop a chronology of history that claimed true prophets arise every 320 years.
He used the theories of Albumazar to develop a chronology of history that claimed true prophets arise every 320 years. He also worked on the Elefuga theorem, equivalent to Euclid's Bridge of Asses for isosceles triangles, and is alleged to have constructed a robotic head that could speak. He relied on the exploration of Mongol lands by Willem van Rursbroeck for much of the encyclopedia that he presented to Clement IV, the Opus Majus. Analysis of the writings of Peter de Maricourt made this student of Robert Grosseteste an early advocate of empiricism, and his scientific musings made him the first Westerner to describe eyeglasses and the full recipe for gunpowder. FTP, name this English Frnaciscan known as "Doctor Mirabilis."
He used the theories of Albumazar to develop a chronology of history that claimed true prophets arise every 320 years.
{R}oger {Bacon} [prompt on {Bacon}]