Albertus Magnus
Saint
Albertus Magnus OP, also known as Saint Albert the Great, Albert of Swabia
or Albert of Cologne, was a German Dominican friar, philosopher, scientist, and bishop, considered one of the greatest medieval philosophers and thinkers. Wikipedia
Born: Lauingen, Germany
Died: November 15, 1280, Cologne, Germany
Known for: Systematic study of minerals; Discovery of the element arsenic
Discovered: Arsenic
Parents: Markward von Lauingen