Geoffrey of Trani
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Geoffrey of Trani[1] (born Trano, Apulia, d. 1245) was an Italian jurist, known as a canon lawyer. He was a student at Bologna of Azo, and then became professor at Naples, then at Bologna.[2] He was made a cardinal deacon by Pope Innocent IV. His Summa super titulis decretalium[3] and other writings on decretals became a basic resource for canon law.[4]