• Thumbnail for Heinrich Welker
    Heinrich Johann Welker (9 September 1912 in Ingolstadt – 25 December 1981 in Erlangen) was a German theoretical and applied physicist who invented the...
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  • Welker (born 1964), American artist Frank Welker (born 1946), American actor and voice actor Hans Welker (1907–1968), German football player Heinrich...
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  • German radar equipment for WWII. Finally on 13 August 1948, Mataré and Heinrich Welker (1912–1981), working at Compagnie des Freins et Signaux Westinghouse...
    67 KB (7,565 words) - 18:46, 23 August 2024
  • Thumbnail for Transistor
    transistor was independently invented by physicists Herbert Mataré and Heinrich Welker while working at the Compagnie des Freins et Signaux Westinghouse,...
    98 KB (10,226 words) - 19:10, 23 August 2024
  • Thumbnail for Arnold Sommerfeld
    Wilhelm Lenz, Karl Meissner, Rudolf Seeliger, Ernst C. Stückelberg, Heinrich Welker, Gregor Wentzel, Alfred Landé, and Léon Brillouin became famous in...
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  • European transistor, which he developed and patented together with Heinrich Welker in the vicinity of Paris in 1948, independent from the Bell Labs engineers...
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  • parallel discovery of the bipolar transistor by Herbert F. Mataré and Heinrich Welker in 1948/1949 "The Scientist who World War I wrote out of history"....
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  • Thumbnail for Transistor radio
    "Transistor"-germanium point-contact transistor by Herbert Mataré and Heinrich Welker. However, as with the early Texas Instruments units (and others) only...
    25 KB (2,913 words) - 05:34, 23 August 2024
  • Thumbnail for Indium antimonide
    of InSb were prepared by Heinrich Welker in 1952, although they were not very pure by today's semiconductor standards. Welker was interested in systematically...
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  • Thumbnail for Infrared
    the first portable infrared device for military applications. 1952: Heinrich Welker grew synthetic InSb crystals. 1950s and 1960s: Nomenclature and radiometric...
    91 KB (9,157 words) - 01:07, 24 August 2024
  • Thumbnail for JFET
    before FETs could actually be manufactured. JFET was first patented by Heinrich Welker in 1945. During the 1940s, researchers John Bardeen, Walter Houser...
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  • States (1908–2002) Carl Friedrich von Weizsäcker – Germany (1912–2007) Heinrich Welker – Germany (1912–1981) Gregor Wentzel – Germany (1898–1978) Paul Werbos...
    61 KB (7,149 words) - 18:40, 25 August 2024
  • Thumbnail for Field-effect transistor
    junction field-effect transistor (JFET). A JFET was first patented by Heinrich Welker in 1945. The static induction transistor (SIT), a type of JFET with...
    51 KB (6,224 words) - 22:25, 25 August 2024
  • 2015. Donald W. Whittier Chair in Electrical Engineering, UCSB 2013 Heinrich Welker Award for "The Development of GaN High Power Electronics from Conception...
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  • Thumbnail for Isamu Akasaki
    for Crystal Growth in commemoration of its 20th anniversary 1995 – Heinrich Welker Gold Medal, the International Symposium on Compound Semiconductors...
    30 KB (2,840 words) - 03:58, 31 July 2024
  • Thumbnail for Erlangen
    ecologist and Zoological Institute director of the University Erlangen. Heinrich Welker (1912–1981), theoretical physicist, made numerous inventions in the...
    140 KB (16,291 words) - 21:23, 22 August 2024
  • (1911–2000) R. E. Siday (1912–1956) Marie-Antoinette Tonnelat (1912–1980) Heinrich Welker (1912–1981) Arnold Münster [de] (1912–1990) Konrad Bleuler (1912–1992)...
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  • Bernhard Weinstein Paul Weiss Walter Weizel Carl Friedrich von Weizsäcker Heinrich Welker Katrin Wendland Horst Wenninger Gregor Wentzel Werner Hofmann Julius...
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  • at Bell Labs, and in 1948 by German physicists Herbert Mataré and Heinrich Welker, working at the Compagnie des Freins et Signaux, a Westinghouse subsidiary...
    96 KB (11,067 words) - 11:03, 30 July 2024
  • Thumbnail for Cyril Hilsum
    again moving, this time to the Royal Radar Establishment. He won the Heinrich Welker Memorial Award in 1978, was elected a Fellow of the Royal Academy of...
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  • Thumbnail for Jerry Woodall
    Science and Technology (1985) Gallium Arsenide Symposium Award and Heinrich Welker Gold Medal (1988) National Academy of Engineering (NAE) Member (1989)...
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  • Thumbnail for December 1981
    the Daqing oilfields as a model for industrial development. Died: Heinrich Welker, 69, German scientist who co-invented the "transistron", a form of...
    44 KB (5,975 words) - 16:43, 24 July 2024
  • Thumbnail for German Physical Society
    Buckel 1974–75: Otto Koch 1976–77: Hans-Joachim Queisser 1978–79: Heinrich Welker 1980–81: Horst Rollnik 1982–83: Hans-Joachim Schmidt-Tiedemann 1984–86:...
    25 KB (2,969 words) - 06:16, 21 August 2024
  • Robert H. Wentorf, Jr. 1976: William G. Pfann, Henry C. Theurer 1975: Heinrich Welker List of physics awards "James C. McGroddy Prize for New Materials"...
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  • innovative epitaxial growth methods and novel device designs" ISCS Heinrich Welker Award (2004) "for the demonstration of reliable strained layer lasers...
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  • of indium antimonide In the 1950s only the laboratory of Professor Heinrich Welker in Germany, and laboratory Dmitriy N. Nasledov in the Ioffe Physical-Technical...
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  • Heinrich Kayser Heinrich Konen Heinrich Lenz Heinrich Ott (physicist) Heinrich Rohrer Heinrich Rubens Heinrich Streintz Heinrich Welker Heinrich Wilhelm Brandes...
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  • Timothy Spall, Terence Stamp, Sylvia Sidney, Christopher Walken, Frank Welker, and Paul Whitehouse. Actor Jason Hervey appeared in the short film Frankenweenie...
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  • Thumbnail for Victor Frankenstein
    Frankenstein appears in The Transformers episode "Autobot Spike", voiced by Frank Welker. The Autobots see him in a Frankenstein movie. The cartoon series Toonsylvania...
    87 KB (10,743 words) - 12:10, 25 August 2024
  • Thumbnail for William Beebe
    2004, p. 92 Gould 2004, pp. 92–93 Welker 1975, p. 16 Welker 1975, p. 15 Welker 1975, p. 16,28 Gould 2004, pp. 98–99 Welker 1975, pp. 16–17 Gould 2004, p. 103...
    97 KB (13,411 words) - 23:24, 14 July 2024