All Electronics: Der Mann, der das Kopfrechnen abgeschafft hat: Wilhelm Schickard
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Wilhelm Schickard was a German professor of Hebrew and astronomy who became famous in the second part of the 20th century after Franz Hammer, a biographer of Johannes Kepler, claimed that the drawings of a calculating clock, predating the public release of Pascal's calculator by twenty years, had been discovered in two unknown letters written by Schickard to Johannes Kepler in 1623 and 1624.
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science · German astronomer and computing pioneer · mathematician · astronomer · orientalist · computer scientist · university teacher · theologian · geographer · cartographer · Hebraist · copper engraver · also Wilhelm Schickard, Schickard
Born 22 April 1592 · Died 24 October 1635 · Q57403
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All Electronics: Der Mann, der das Kopfrechnen abgeschafft hat: Wilhelm Schickard
idw: Wilhelm Schickard erfand vor 400 Jahren die Rechenmaschine
Freie Presse: Wilhelm Schickard: Der Mann, der Adam Ries mechanisierte
Oberbayerisches Volksblatt Online: Wilhelm Schickard:. Wilhelm Schickard war ein deutscher Astronom und Mathematiker.
But had to improve on the design of the carry mechanism:
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Franz Hammer, one of Kepler's biographers, announced that Schickard's drawings of this previously unknown calculating clock predated Pascal's work by twenty years
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Died 1635-10-24.
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Studied at University of Tübingen (1606–1613).
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Studied at Bebenhausen Abbey (1603–1606).
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Born 1592-04-22.
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