The Irrefragable Doctor, Alexander Hales (_-1245.)
The Mellifluous Doctor, St. Bernard (1091-1153).
The Most Christian Doctor, Jean de Gerson (1363-1429).
The Most Methodical Doctor, John Bassol(_-1347).
The Most Profound Doctor, Ægidius de Columna (_-1316).
The Most Resolute Doctor, Durand de St. Pourçain (1267-1332).
The Perspicuous Doctor, Walter Burley (fourteenth century).
The Profound Doctor, Thomas Bradwardine (_-1349).
The Scholastic Doctor, Anselm of Laon (1050-1117).
The Seraphic Doctor, St. Bonaventura (1211-1274).