Joseph Louis François Bertrand
French mathematician, economist
Died when: 78 years 25 days (936 months)Star Sign: Pisces

Joseph Louis François Bertrand (French pronunciation: ?[?oz?f lwi f??~swa b??t??~]; 11 March 1822 – 5 April 1900) was a French mathematician who worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.
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