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Regimontanus
(1436-1476), was born Johann Müller of Königsberg but he used the Latin
version of his name. A translator and publisher, Regiomontanus made important
contributions to trigonometry and astronomy. His book De triangulis omnimodis (1464) is a
systematic account of methods for solving triangles. In January 1472 he made observations
of a comet which were accurate enough to allow it to be identified with Halley's comet 210
years (and three returns of the 70 year period comet) later. Pope Sixus IV summoned
Regiomontanus to Rome in 1475 to advise on calendar reform and to become bishop of
Regensburg. However he died before he could take office, poisoned by his enemies. |
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