Gustav Adolph Jahn

from Wikipedia, the free encyclopedia

Gustav Adolph Jahn (born October 25, 1804 in Leipzig ; † January 5, 1857 there ) was a German astronomer and mathematician .

Life

Jahn studied at the 1st Citizens School and the Thomas School in Leipzig . Then he completed an apprenticeship as a mechanic. From 1825 he studied mathematics and astronomy at the University of Vienna . He also worked at the Vienna University Observatory under Joseph Johann von Littrow . At the University of Leipzig he studied with Heinrich Wilhelm Brandes , Moritz Wilhelm Drobisch and August Ferdinand Möbius and received his doctorate in 1831 at the University of Jena with the topic De calculo eclipsium Besseliano commentatio for Dr. phil.Using the Kregel-Sternbach'schen travel scholarship, he attended the public observatory Urania Jena , the Göttingen observatory , the Hamburg Observatory and the Berlin Observatory . From 1828 to 1829 he worked on a project for the Princely Jablonowski Society in Leipzig. Due to an illness he could not work long in an observatory and from then on worked as a private scholar and writer. He invented the toposcope used by the Leipzig city council. Jahn was director of the Astronomical Society and a member of the Natural Research Society in Leipzig as well as a corresponding member of the Natural Science Association and the Mathematical Society in Hamburg .

Works

  • The calculation of probability and its application to scientific and practical life (1839)
  • Tables of the square and cube roots of all numbers from 1 to 25500, the square numbers of all numbers from 1 to 27000 and the cube numbers of all numbers from 1 to 24000 (1839)
  • Collection of formulas and equations from elementary geometry and trigonometry (1843)
  • History of astronomy from the beginning of the nineteenth century to the end of 1842 (1844, digitized )
  • with Georg Simon Klügel : Dictionary of applied mathematics: a handbook for use (1847)
  • Tables of the six-digit logarithms for the numbers 1 to 100,000, for the sines and tangents from second to second of the first degree, and for the sines, cosines, tangents and cotangents from 3 to 3 seconds of all degrees of the quadrant (1837, digitized )

literature

Web links

personal data
SURNAME Jahn, Gustav Adolph
BRIEF DESCRIPTION German astronomer and mathematician
DATE OF BIRTH October 25, 1804
PLACE OF BIRTH Leipzig
DATE OF DEATH January 5, 1857
Place of death Leipzig