author
Guillaume Durand
d. 1296
A towering figure in medieval church law and worship, this 13th-century bishop wrote works that shaped how people understood both the courtroom and the liturgy for generations. Best known as the Bishop of Mende, he combined legal precision with a gift for explaining sacred ritual.
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About the author
Born around 1230 at Puimisson in southern France, Guillaume Durand became one of the best-known canon lawyers of the Middle Ages. He studied canon law at Bologna, later taught, and went on to serve the papal curia before becoming Bishop of Mende.
He is especially remembered for two major works. The Speculum iudiciale was an influential guide to legal procedure, while the Rationale divinorum officiorum offered a rich explanation of Christian worship and church ceremony. Because of the former, he was sometimes called "Speculator."
Durand died in Rome on November 1, 1296. His writings remained widely read long after his death, and they still matter today for readers interested in medieval law, liturgy, and the intellectual world of the medieval Church.