Petrus Andreas Gambari

Petrus Andreas Gambari or Pier Andrea Gambari (1480–1528) was a Roman Catholic prelate who served as Bishop of Faenza.

Biography Born in Casalfiumanese in 1480, Gambari established a prominent career as a jurist and law professor, specializing in both civil and canon law. He authored several significant legal treatises during the Renaissance, most notably his 1533 work on legal dialectics.

On 7 August 1528, during the papacy of Pope Clement VII, Gambari was appointed Bishop of Faenza.

In this work, Gambari argued that lawyers and judges needed a clearer, more logical system for making legal arguments. Instead of relying on old medieval commentaries, he showed how to use formal logic and persuasive speaking to interpret laws and handle court cases. This practical approach was widely adopted by contemporary lawyers and law students, and formed the basis for the structured ways lawyers and judges still argue and interpret laws today..