Ernst Lecher

{{Short description|Austrian physicist}}

File:Ernst Lecher Austrian physicist 1919.jpg

Ernst Lecher (1 June 1856 – 19 July 1926) was an Austrian physicist who, from 1909, was head of the First Institute of PhysicsJagdish Mehra, Helmut Rechenberg, The Historical Development of Quantum Theory: V.1 Pt.2, p.73 et. seq., Springer, 2001, {{ISBN|0-387-95179-2}}, {{ISBN|978-0-387-95179-9}} - some notes on the history of the First and Second Physical Institutes in Vienna in Vienna. He is remembered for developing an apparatus— "Lecher lines"—to measure the wavelength and frequency of electromagnetic waves."Ernst Lecher", Encyclopedia of Austria [http://aeiou.iicm.tugraz.at/aeiou.encyclop.l/l336666.htm;internal&action=_setlanguage.action?LANGUAGE=en (online extract)] {{Webarchive|url=https://archive.today/20120724141802/http://aeiou.iicm.tugraz.at/aeiou.encyclop.l/l336666.htm;internal&action=_setlanguage.action?LANGUAGE=en |date=2012-07-24 }} He gave his name to the Ernst-Lecher-Institut, a radar research establishment set up in the 1940s in Reichenau, south of Vienna,"Henri Zemanek Interview", December 12, 1972, Archives Center, National Museum of American History, Computer Oral History Collection, 1969-1973, 1977 [http://invention.smithsonian.org/downloads/fa_cohc_tr_zema721212.pdf] which is now a part of the German research institute Max Planck Institute.

Lecher's father, Zacharias K Lecher,[http://dodd.cmcvellore.ac.in/hom/36%20-%20Rontgen.html "Röntgen: Invisible Rays that Save Lives"] {{Webarchive|url=https://web.archive.org/web/20081028091307/http://dodd.cmcvellore.ac.in/hom/36%20-%20Rontgen.html |date=2008-10-28 }}, CMC - Vellore - History of Medicine Picture Collection was editor of Vienna's leading daily newspaper, Die Presse, and helped to publicise the discovery of X-rays of his German colleague Wilhelm Röntgen in 1896. Lecher's nephew, Konrad Zacharias Lorenz, won the Nobel Prize in Physiology or Medicine in 1973.John R. Krebs, Sverre Sjölander, Konrad Z. Lorenz For. Mem. R.S.(1903-1989), Konrad Lorenz Institute for Research on Evolution and Cognition [http://www.gavia.nu/uploads/Konrad_Lorenz_biografi.rtf]{{Dead link|date=August 2019 |bot=InternetArchiveBot |fix-attempted=yes }}