| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| Cardano, Geronimo |
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(j rô´n m kärdä´n ) (KEY) , 150176, Italian physician and mathematician. His works on arithmetic and algebra established his reputation. Barred from official status as a physician because of his illegitimate birth, he practiced as a medical astrologer. His major work, De subtilitate rerum (1550), on natural history, is perceptive and implies a grasp of evolutionary principles. His book on games of chance represents the first organized theory of probability. Cardano described a tactile system similar to Braille for teaching the blind and thought it possible to teach the deaf by signs. | 1 | | See his The Book of my Life (1643, tr. 1930); studies by O. Ore (with a tr. of Cardanos Book of Games of Chance, 1965) and A. Wykes (1969). | 2 |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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