Raymond of Penyafort (1175–1275)

Dominican compiler of the Decretals. Raymond of Peñafort was a Dominican friar who was a canon lawyer. He compiled the Decretals of Gregory IX, a collection of canonical laws that remained a major part of Church law until the 1917 Code of Canon Law abrogated it. He was canonized by Pope Clement VIII in 1601 and is the patron saint of canon lawyers.