Notker Balbulus (840–912 → age 72) Odo of Cluny (879–942 → age 63) Hermannus Contractus|Augiensis|Hermann of Reichenau|Herman the Cripple (1013–1054 → age 41) Guillaume IX d’Aquitaine|Guilhèm de Peitieus (1071–1126 → age 54) Peter (Petrus) Abelard|Abélard|Abaelardus|Aballard (1079–1142 → age 63) Hildegard von Bingen|Hildegard (1098–1179 → age 81) Léonin|Leoninus (1135–1201 → age 66) D. Sancho I (1154–1212 → age 57) Perotinus Magnus|Perotinus|Pérotin (1160–1205 → age 45) Philippe le Chancelier|Philip the Chancellor|Philippus Cancellarius Parisiensis (1165–1236 → age 71)