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John Zeleny

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Title: John Zeleny  
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John Zeleny

John Zeleny
Born (1872-03-26)March 26, 1872
Died 1951
Residence USA
Nationality Czech-American
Fields Physicist
Institutions University of Minnesota
Yale University
Alma mater University of Minnesota (B.S. 1892, Ph.D. 1906)
University of Cambridge (B.A. 1899)
Doctoral advisor Henry T. Eddy
Other academic advisors J. J. Thomson
Known for Zeleny electroscope
ion mobility

John Zeleny (1872–1951) was a Czech-American physicist at the University of Minnesota, who in 1911 invented the Zeleny electroscope. He also studied the effect of an electric field on a liquid meniscus.[1][2] His work is seen by some as a beginning to emergent technologies like liquid metal ion sources and electrospraying and electrospinning.


  1. ^ Zeleny, John (1914). "The electrical discharge from liquid points, and a hydrostatic method of measuring the electric intensity at their surfaces". Physical Review 3 (2): 69–91.  
  2. ^ Zeleny, John (1917). "Instability of electrified liquid surfaces". Physical Review 10 (1): 1–6.  

External links

  • Zeleny Electroscope

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