Monthly Archives: November 2014

Cavalieri’s Principle

Cavalieri’s Principle

On November 30, 1648, Italian mathematician Bonaventura Cavalieri passed away. He is known for his work on the problems of optics and motion, work on the precursors of infinitesimal calculus, and the introduction of logarithms to Italy. Cavalieri’s principle in geometry partially anticipated integral calculus. “Rigor is the concern of philosophy not of geometry.” (Bonaventura Cavalieri) Bonaventura Cavalieri – The Youth of a Mathematician Born at Milan, Cavalieri was given the name Francesco…
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Abel Tasman and the Discovery of Tasmania

Abel Tasman and the Discovery of Tasmania

On November 24, 1642, Dutch seafarer, explorer, and merchant Abel Tasman sighted the west coast of Tasmania, north of Macquarie Harbour. He named his discovery Van Diemen’s Land after Antonio van Diemen, Governor-General of the Dutch East Indies. Service in the Dutch East India Company Abel Tasman was born in 1603 in Lutjegast in what is now the province of Groningen, the Netherlands. He received a sufficient education to enable him to express…
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Bernard Mandeville and the Fable of the Bees

Bernard Mandeville and the Fable of the Bees

Bernard Mandeville’s – The Fable of Bees On November 15, 1670, Dutch philosopher, political economist and satirist Bernard Mandeville was born. He became famous for The Fable of the Bees, a satire that suggests many key principles of economic thought, including division of labor and the “invisible hand“, seventy years before these concepts were more thoroughly elucidated by Adam Smith. Not very much is known about the life of Bernard Mandeville. He probably grew…
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Hermann ‘Klecks’ Rorschach and his Eponymous Test

Hermann ‘Klecks’ Rorschach and his Eponymous Test

On November 8, 1884, Swiss psychiatrist and psychoanalyst Hermann Rorschach was born. He is best known for developing a projective test known as the Rorschach inkblot test. This test was reportedly designed to reflect unconscious parts of the personality that “project” onto the stimuli. Hermann Rorschach was born in Zurich, Switzerland and it is known was he was encouraged by his father, an art teacher, to express himself creatively. The young Rorschach became fascinated with making pictures out of…
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Daniel Rutherford and the isolation of Nitrogen

Daniel Rutherford and the isolation of Nitrogen

Daniel Rutherford (1749-1819) On November 3, 1749, Scottish physician, chemist and botanist Daniel Rutherford was born. Rutherford was the uncle of famous novelist Sir Walter Scott. But originally, he is most famous for the isolation of nitrogen in 1772. The second son of Professor John Rutherford and his second wife Anne Mackay, Daniel Rutherford was born in Edinburgh on 3 November 1749. Educated at first at home, he was sent, when seven…
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