Girolamo cardano wife selfie

Italian Renaissance mathematician, physician, astrologer (–)

"Cardanus" redirects here. For the lunar crater, see Cardanus (crater).

Gerolamo Cardano (Italian:[dʒeˈrɔːlamokarˈdaːno]; also Girolamo^[1] or Geronimo;^[2] French: Jérôme Cardan; Latin: Hieronymus Cardanus; 24 September – 21 September ) was an Italian polymath whose interests and proficiencies ranged through those of mathematician, physician, biologist, physicist, chemist, astrologer, astronomer, philosopher, music theorist, writer, and gambler.^[3] He became one of the most influential mathematicians of the Renaissance and one of the key figures in the foundation of probability; he introduced the binomial coefficients and the binomial theorem in the Western world.

He wrote more than works on science.^[4]

Cardano partially invented and described several mechanical devices including the combination lock, the gimbal consisting of three concentric r