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Philip Eduard Anton Lenard | |||
| (LÉNÁRD FÜLÖP) | |||
Preßburg
( Bratislava,
Slovenia) 07.June.1862 Messelhausen
20.May.1947 |
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History
of biographical Lenard (1) |
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| 1862 | June 7 born in Bratislava (Pressburg) in the family of Weinhändlers Philipp von Lenard Lenardis and mother Antoine Frau Baumann during the Austro-Hungarian monarchy. | ||
| 1881 | Study in technical schools in Budapest and Vienna. | ||
| 1882 | Cooperates with his father in his business | ||
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| 1883 | He studied physics in Heidelberg with teachers Quincke Hermann (1834-1924) and Robert Bunsen (1811-1899) | ||
| 1885 | Continued his studies in Berlin | ||
| 1886 | He exhibited his thesis in Heidelberg "Über die Schwingungen fallender Tropfen" (variations on the falling drops) theory proposed by Hermann von Helmholtz (1822-1894) in Berlin | ||
| 1886-89 | He is assistant Hermann Quincke | ||
| They married Katharina Schlehner, daughter of an
'adviser' court di
first degree Charles Schlehner e di Sofie Sofie
Schreiber ( Heidelberg), Of First Instance Charles
Schlehner and Sofie
Sofie Schreiber (Heidelberg) Born March 5, 1870 Pfullendorf - Konstanz , who died 11 June 1946 to Messelhausen (Großherzogtum Baden) (Grand-Duché bain). | |||
| 1898 | Born on September 17 its first-Ruth von Lenard. (2) | ||
| 1890 | Emigrates in England but after only six months returnees and he became assistant Heinrich Hertz at the University of Bonn, this period begins Experimenting with katodnih. | ||
| 1892 | Develop a tube with a 'Lenard fenster' (window Lenard). For the first time, katodnih can be examined independently with the processes discharge in a vacuum or in rarefied gas. | ||
| 1894 | Lecturer in Breslau and extraordinary here continues trials began in Bonn. | ||
| 1895 | He teaches at a higher technical school in Aix-la-Chapelle. | ||
| 1896 | Teaches as extraordinary professor of theoretical physics in Heidelberg. | ||
| 1898 | During this year knows Joseph John Thomson (1856-1940) and exhibits the work carried out by him. He is director and professor of physics at Kiel. | ||
| 1900 | March 13 was born on second Werner von Lenard in Kiel. | ||
| 1902 | Ensures the essential characteristics of 'photoelectric effect, he found that the quantity of electrons freed grows with the increase of light radiation, but their speed depends only by the wavelength. Einstein explained this in 1905 with the idea of light quanta. | ||
| 1903 | Envelope "Dynamidenmodell" (dynamic model) of the atom, most of the atom is made up of the vacuum. | ||
| 1905 | He is honored with the Nobel Prize for Physics. | ||
| 1907 | Director of the Institute of Physics and Radiology in Heidelberg. | ||
| 1914 | Before World War, October 4 participates with 93 other intellectuals to Drafting of the resolution "Aufruf an die Kulturwelt" (Appeal to the world cultural) | ||
| 1922 | June 27 The anti-Semitic group that occupies the Institute belongs to which participates actively, the Minister of Culture Willy Hellpach suspending the service Lenard. The association of physicists, other teachers and students from Heidelberg demonstrate support for Lenard and Minister Hellpach Lenard back to his duties. | ||
| 1924 | Lenard in collaboration with Johannes Stark Nobel prize also write the appeal "Hitlergeist und Wissenschaft (Hitler-spirit and science). Following this public statement to Hitler and Erich Ludendorff, the Institute of Lenard becomes the center of German right-wing militancy | ||
| 1926 | Hitler personally knows | ||
| 1936-37 | Lenard becomes one of the most responsible for the national-socialist party (NSDAP) .(National Socialist German Workers Party) (Nazi party). | ||
| 1945 | The allies do not Imprison Lenard advanced age (83 years) | ||
| 1947 | He died near Messelhausen May 20. | ||
| note:1) | LEMO
Lebendiges Museo online
-http://www.dhm.de/lemo/html/biografien/LenardPhilipp/ | ||
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2) | http://freepages.genealogy.rootsweb.com/~gufidaun/chroniken/l/lenard_leonardis.htm | ||
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| Documents | |||
| On cathode rays Nobel lecture 28 mai 1906 | |||
| Arnold Sommerfeld Letter to Philipp Lenard, 7 may 1920 | |||