Template:Selected anniversaries/August 31: Difference between revisions

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||1877 – Francis William Aston, English chemist and physicist, Nobel Prize laureate (d. 1945)
||1877 – Francis William Aston, English chemist and physicist, Nobel Prize laureate (d. 1945)
||Heinrich Franz Friedrich Tietze (b. August 31, 1880) was an Austrian mathematician, famous for the Tietze extension theorem on functions from topological spaces to the real numbers. He also developed the Tietze transformations for group presentations, and was the first to pose the group isomorphism problem.


||1895 – Engelbert Zaschka, German engineer and designer, invented the Human-powered aircraft (d. 1955)
||1895 – Engelbert Zaschka, German engineer and designer, invented the Human-powered aircraft (d. 1955)

Revision as of 19:59, 27 November 2017