Template:Selected anniversaries/April 30: Difference between revisions

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File:J_J_Thomson.jpg|link=J. J. Thomson (nonfiction)|1897: [[J. J. Thomson (nonfiction)|J. J. Thomson]] of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
File:J_J_Thomson.jpg|link=J. J. Thomson (nonfiction)|1897: [[J. J. Thomson (nonfiction)|J. J. Thomson]] of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.


||1904: George Robert Stibitz born ... Bell Labs researcher internationally recognized as one of the fathers of the modern first digital computer. He was known for his work in the 1930s and 1940s on the realization of Boolean logic digital circuits using electromechanical relays as the switching element. Pic.
||1904: George Stibitz born ... Bell Labs researcher internationally recognized as one of the fathers of the modern first digital computer. He was known for his work in the 1930s and 1940s on the realization of Boolean logic digital circuits using electromechanical relays as the switching element. Pic.


||1905: Sergey Mikhailovich Nikolsky born ... mathematician. Nikolsky made fundamental contributions to functional analysis, approximation of functions, quadrature formulas, enclosed functional spaces and their applications to variational solutions of partial differential equations. Pic.
||1905: Sergey Mikhailovich Nikolsky born ... mathematician. Nikolsky made fundamental contributions to functional analysis, approximation of functions, quadrature formulas, enclosed functional spaces and their applications to variational solutions of partial differential equations. Pic.

Revision as of 08:07, 30 April 2019