Albert the Great was one of the Church's greatest intellects. He studied at the University of Padua and later taught at Hildesheim, Freiburg-im-Breisgau, Regensburg, and Strasbourg. He then taught at the University of Paris, where he received his doctorate in 1245. He was among the first and greatest of the natural scientists, gaining a reputation for expertise in biology, chemistry, physics, astronomy, geography, metaphysics, and mathematics. He was also very learned in biblical studies and theology.