Template:Selected anniversaries/August 31: Difference between revisions

From Gnomon Chronicles
Jump to navigation Jump to search
No edit summary
No edit summary
Line 24: Line 24:


||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 20:59, 27 November 2017