Also known as Saint Albert the Great and Albert of Cologne, was a Dominican friar who became famous for his universal knowledge and advocacy for the peaceful coexistence of science and religion. He is considered to be the greatest German philosopher and theologian of the Middle Ages. He was the first medieval scholar to apply Aristotle’s philosophy to Christian thought at the time.
Albertus Magnus is believed to have been the first to isolate arsenic in 1250.
[Source: Wikipedia]