Template:Selected anniversaries/March 21: Difference between revisions

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||1896 – Friedrich Waismann, Jewish-Austrian mathematician, physicist, and philosopher from the Vienna Circle (d. 1959)
||1896 – Friedrich Waismann, Jewish-Austrian mathematician, physicist, and philosopher from the Vienna Circle (d. 1959)
||Rose Pauline Peltesohn (d. 21 March 1998 in Kfar Saba, Israel) was an Israeli mathematician.  She solved the Difference Problems of Lothar Heffter (de) (1896) in combinatorics in 1939. Pic.


||1999 – Bertrand Piccard and Brian Jones become the first to circumnavigate the Earth in a hot air balloon.
||1999 – Bertrand Piccard and Brian Jones become the first to circumnavigate the Earth in a hot air balloon.

Revision as of 09:02, 4 February 2018