Girolamo Cardano (Jerome Cardan)
Girolamo Cardano was a mathematician, physician and astrologer who was born in 1501 in Pavia. His father, Fazio Cardano, had such expertise in mathematics that it is said that Leonardo Da Vinci consulted with him in regards to questions about geometry. He was known for a range of things - from giving the first clinical description of Typhus fever to essentially leading the way for probability. Interestingly, Girolamo resorted to gambling to make a living. Because he understood probability so much, he had a greater advantage over his opponents and usually was able to win more than he had lost. However, gambling became an addiction for him. There's a story in which he believed he was being cheated at cards. Cardano became enraged and slashed the face of his opponent with a knife, which he carried with him at all times. He was not a very well-liked ...