Franz Weidert

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Franz Ludwig Friedrich Weidert (born November 19, 1878 in Hanau , † July 22, 1954 in Madrid ) was a German optician .

Life

Franz Weidert studied physics at the Technical University of Darmstadt and the Technical University of Berlin-Charlottenburg . In Darmstadt he became a member of the Chattia Corps . With one at Leo Grunmach -made in Charlottenburg work, he was in 1905 at the University of Rostock Dr. Phil is doing his PhD. After working as an assistant at the Physics Institute of the Technical University of Berlin, he switched to the optical institute CP Goerz AG as a research assistant in 1908 . In 1910 he was appointed to the board of directors. In 1920 he became a private lecturer, in 1923 a non-civil servant associate professor and in 1939 an associate professor for optics at the Technical University of Berlin. From 1926 he taught at the Optical Institute of the TH Berlin, which he founded. From 1950 until shortly before his death he taught at the University of Madrid .

Weidert developed the neophane glasses. Since 1918 he was a member of the Board of Trustees of the Physikalisch-Technische Reichsanstalt . From 1926 he was a Scientific Member of the Kaiser Wilhelm Institute for Silicate Research and from 1931 to 1948 External Scientific Member of the Kaiser Wilhelm Society.

Awards

  • Golden Ring of Honor of the Deutsches Museum

Fonts

  • On the influence of exposure on the thermo-electric power of selenium , 1905
  • Development and construction of the submarine periscope , 1914
  • The total solar eclipse of August 21, 1914 observed in Sandnessjöen on Alsten (Norway) , 1916 (together with Adolf Miethe and Bruno Seegert)
  • Theory of the directional glass and comparison of the most typical shapes , 1920
  • Manufacture and properties of optical glass , 1921

literature

  • G. Korff: Franz Weidert 70 years . In: Physikalische Blätter , Volume 5, Issue 5, p. 227 ( digitized version )
  • J. Flügge: Franz Weidert † . In: Physikalische Blätter , Volume 10, Issue 9, pp. 420 f. ( Digitized version )

Individual evidence

  1. ^ Address list of the Weinheimer SC. 1928, p. 116.
  2. ^ Franz Ludwig Friedrich Weidert (1878-1954) at www.universitaetssammlungen.de
personal data
SURNAME Weidert, Franz
ALTERNATIVE NAMES Weidert, Franz Ludwig Friedrich
BRIEF DESCRIPTION German optician
DATE OF BIRTH November 19, 1878
PLACE OF BIRTH Hanau
DATE OF DEATH July 22, 1954
Place of death Madrid