Gerolamo Cardano

John Dee and his World of Science and Magic

John Dee and his World of Science and Magic

On July 13, 1527, Welsh mathematician, astronomer, astrologer, occultist, navigator, imperialist and consultant to Queen Elizabeth I, John Dee was born. He is considered one of the most learned men of his age. Besides being an ardent promoter of mathematics and a respected astronomer, in his later years he immersed himself in the worlds of magic, astrology and Hermetic philosophy. One of his aims was attempting to commune with angels in order to…
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Lodovico Ferrari and the quartic equations

Lodovico Ferrari and the quartic equations

On February 2, 1522, Italian mathematician Lodovico Ferrari was born, who was the first to find an algebraic solution to the biquadratic, or quartic, equation. Family Background Born in Bologna, Italy, Lodovico’s grandfather, Bartholomew Ferrari, was forced out of Milan to Bologna. Lodovico settled in Bologna, Italy and by chance, he was able to start his career as servant of one of the most famous mathematicians of the time, Gerolamo Cardano [2]. Initially…
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Gerolamo Cardano and the Mathematics of Chances

Gerolamo Cardano and the Mathematics of Chances

Gerolamo Cardano (1501 – 1576)   On September 24, 1501, Italian Renaissance mathematician, physician, astrologer and gambler Gerolamo Cardano was born. He wrote more than 200 works on medicine, mathematics, physics, philosophy, religion, and music. But, he is best known for his gambling that led him to formulate elementary rules in probability, making him one of the founders of probability theory. Gerolamo Cardano started working as a physician in 1526 and began…
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