Irving B. Crandall

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Irving Bardshar Crandall (born May 27, 1890 in Chattanooga (Tennessee) , † April 22, 1927 ) was an American physicist.

The son of Washington Irving and Bertha Marian (Bardshar) Crandal graduated from the University of Wisconsin in 1909 and continued his studies at Princeton .

1911/1912 he was professor of physics and chemistry at Chekiang Provincial College .

In 1913 he started at Western Electric (later Bell Telephone Laboratories ), where he and Fred W. Kranz invented a photographic reproduction process in the same year. He researched the thermophone . In 1916 he received his doctorate at Princeton. With Edward C. Wente he developed a system for converting the signals from a microphone into light patterns for photographic film .

Publications

  • The variation with temperature of the absorbing power of metals for light , University of Wisconsin-Madison, 1909. (Reprinted 2012: ISBN 978-1-276-78071-1 ).
  • Theory of vibrating systems and sound , D. Van Nostrand Co., 1926 ( digitized version ).
  • Dynamical study of the vowel sounds , Western Electric Co., Engineering Dept., 1924
  • U.S. Patent 1,581,334

literature

  • The National Cyclopaedia of American biography ; Volume 22 (1967), p. 278
  • Bernhard Siegert: Relays: Literature as an Epoch of the Postal System . Stanford University Press, 1999, ISBN 0-8047-3238-8 , pp. 198 ( limited preview in Google Book Search).

Individual evidence

  1. ↑ Obituaries . In: Nature . tape 119 , June 25, 1927, pp. 933 , doi : 10.1038 / 119933b0 .
  2. ^ Contributors to this issue. (PDF) In: Bell System Technical Journal, Volume 3. 1924, archived from the original on February 23, 2014 (English).;
  3. ↑ from St. Louis University School of Medicine and Riverbank Laboratories
  4. ↑ James L. Neibaur: The Fall of Buster Keaton: His Films for MGM, Educational Pictures, and Columbia . Scarecrow Press, 2010, ISBN 0-8108-7683-3 , pp. 25 ( limited preview in Google Book search).
  5. ↑ with the title The Infra-Red Optical Properties of Some Sulfides: A Balanced Method of Using the Bolometer , cf. The Growth of the Graduate School . In: Princeton Alumni Weekly . tape 16 , no. 36 , 1916, pp. 847 (English, google.de ).
  6. ↑ coutant.org: Sheldon Hochheiser: What Makes the Picture Talk: AT & T and the Development of Sound Motion Picture Technology. AT&T, accessed October 14, 2018 (English, short biography of EC Wente).
personal data
SURNAME Crandall, Irving B.
ALTERNATIVE NAMES Crandall, Irving Bardshar
BRIEF DESCRIPTION American physicist
DATE OF BIRTH May 27, 1890
PLACE OF BIRTH Chattanooga, Tennessee
DATE OF DEATH April 22, 1927