Template:Selected anniversaries/April 9: Difference between revisions

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File:Charles Proteus Steinmetz.jpg|link=Charles Proteus Steinmetz (nonfiction)|1865: Mathematician and electrical engineer [[Charles Proteus Steinmetz (nonfiction)|Charles Proteus Steinmetz]] born. He will foster the development of alternating current, formulating mathematical theories which will advance the expansion of the electric power industry in the United States.
File:Charles Proteus Steinmetz.jpg|link=Charles Proteus Steinmetz (nonfiction)|1865: Mathematician and electrical engineer [[Charles Proteus Steinmetz (nonfiction)|Charles Proteus Steinmetz]] born. He will foster the development of alternating current, formulating mathematical theories which will advance the expansion of the electric power industry in the United States.
||Élie Joseph Cartan, ForMemRS (b. 9 April 1869) was an influential French mathematician who did fundamental work in the theory of Lie groups and their geometric applications. He also made significant contributions to mathematical physics, differential geometry, differential equations, group theory and quantum mechanics.


||1883 – Frank King, American cartoonist (d. 1969)
||1883 – Frank King, American cartoonist (d. 1969)


||1889 – Michel Eugène Chevreul, French chemist and academic (b. 1786)
||1889 – Michel Eugène Chevreul, French chemist and academic (b. 1786)  


File:Georg Cantor 1894.png|link=Georg Cantor (nonfiction)|1917: Mathematician and philosopher [[Georg Cantor (nonfiction)|Georg Cantor]] publishes new [[Set theory (nonfiction)|theory of sets]] derived from [[Gnomon algorithm functions]]. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing [[crimes against mathematical constants]]."
File:Georg Cantor 1894.png|link=Georg Cantor (nonfiction)|1917: Mathematician and philosopher [[Georg Cantor (nonfiction)|Georg Cantor]] publishes new [[Set theory (nonfiction)|theory of sets]] derived from [[Gnomon algorithm functions]]. Colleagues hail it as "a magisterial contribution to science and art of detecting and preventing [[crimes against mathematical constants]]."

Revision as of 22:49, 5 November 2017