Albert, † 1280 at Cologne; from Swabia; O.P. Master of Philosophy, theology, and the natural sciences, especially Aristotle; teacher of St. Thomas Aquinas (28 Jan.); Provincial of the German Dominicans (1254–1257), becoming bishop of Regensburg; prolific writer (thirty-eight quarto volumes in print); wrote on the cult of the Sacred Heart; patron of scientists.