Akira Nakashima (January 5, 1908 - October 29, 1970) was a Japanese electrical engineer at NEC, educated at the Imperial University of Tokyo, who independently developed switching circuit theory in papers published between 1934 and 1936, working at the same time as Victor Shestakov and Claude Shannon. His approach was grounded in the existing circuit theory of the period rather than the more abstract mathematical framework Shannon used, but his work laid foundational groundwork for digital circuit design alongside theirs.
Facts
FAQs
Did Akira Nakashima work on relay circuit theory before Claude Shannon?
Yes. Nakashima was publishing on relay circuits from 1934, four years before Shannon's 1938 paper.
Yes. A history of switching theory in Japan records that Nakashima of NEC had been publishing his ideas on relay circuits in a series of papers since 1934, and that in September 1935 he gave an invited speech on the synthesis theory of relay networks. In 1936 he and Masao Hanzawa formulated a design method for switching networks using algebra. Claude Shannon's paper on switching theory was published in 1938, so Nakashima's work came earlier in print and in speech.
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Source Wikipedia: Akira NakashimaLead sentence 1tier 2Quote, Lead sentence 1
Akira Nakashima (中嶋 章 or 中島 章, also written as Nakashima Akira, Nakasima Akira or Nakajima Akira, 5 January 1908 – 29 October 1970) was a Japanese electrical engineer of the NEC.
Sources
1. Wikipedia: Akira Nakashima
Wikimedia FoundationLead sentence, birth date substring
5 January 1908
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5 January 1908
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29 October 1970
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29 October 1970
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was a Japanese electrical engineer of the NEC
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also written as Nakashima Akira, Nakasima Akira or Nakajima Akira
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