Template:Selected anniversaries/February 12: Difference between revisions

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File:Abd al-Rahman al-Sufi.jpg|link=Abd al-Rahman al-Sufi (nonfiction)|932: Astronomer [[Abd al-Rahman al-Sufi (nonfiction)|Abd al-Rahman al-Sufi]] uses [[scrying engine]] to preview invention of [[Neon lighting (nonfiction)|neon lighting]].
File:Richard Dedekind.jpg|link=Richard Dedekind (nonfiction)|1916: Mathematician, philosopher, and academic [[Richard Dedekind (nonfiction)|Richard Dedekind]] dies. He made important contributions to abstract algebra (particularly ring theory), algebraic number theory and the definition of the real numbers.
File:Moses Gomberg.jpg|link=Moses Gomberg (nonfiction)|1947: Chemist [[Moses Gomberg (nonfiction)|Moses Gomberg]] dies. He  identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.
File:Moses Gomberg.jpg|link=Moses Gomberg (nonfiction)|1947: Chemist [[Moses Gomberg (nonfiction)|Moses Gomberg]] dies. He  identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.
File:Cherenkov high-energy literature test reactor.jpg|link=High-energy literature|1983: [[High-energy literature]] research improves legibility of [[Neon lighting (nonfiction)|neon signs]].
File:Cherenkov high-energy literature test reactor.jpg|link=High-energy literature|1983: [[High-energy literature]] research improves legibility of [[Neon lighting (nonfiction)|neon signs]].
File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|2016: [[Tunguska Event Preservation Society]] pledge drive day.
File:Tunguska-Preservation-TV.jpg|link=Tunguska Event Preservation Society|2016: [[Tunguska Event Preservation Society]] pledge drive day.
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Revision as of 19:14, 28 January 2017

  • 1916: Mathematician, philosopher, and academic Richard Dedekind dies. He made important contributions to abstract algebra (particularly ring theory), algebraic number theory and the definition of the real numbers.

    1916: Mathematician, philosopher, and academic Richard Dedekind dies. He made important contributions to abstract algebra (particularly ring theory), algebraic number theory and the definition of the real numbers.

  • 1947: Chemist Moses Gomberg dies. He identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.

    1947: Chemist Moses Gomberg dies. He identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.

  • 1983: High-energy literature research improves legibility of neon signs.

    1983: High-energy literature research improves legibility of neon signs.

  • 2016: Tunguska Event Preservation Society pledge drive day.

    2016: Tunguska Event Preservation Society pledge drive day.

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