St. Albertus Magnus was born in Swabia (now Germany) in 1206. This Dominican priest taught theology; St. Thomas Aquinas was one of his students. He became bishop of Regensberg (in present-day Germany) and brought Greek and Arabic philosophy and science to Europe. He was interested in the natural sciences and wrote guides. The theological writer is a doctor of the church. He died in 1280. St. Albertus Magnus is patron saint of philosophers, scientists, students and World Youth Day.