Joseph Bertrand
French mathematician
Joseph Louis François Bertrand was a French mathematician whose work emphasized number theory, differential geometry, probability theory, economics and thermodynamics. Wikipedia
Born: March 11, 1822, Paris, France
Died: April 5, 1900 (age 78 years), Paris, France
Children: Marcel Alexandre Bertrand
Grandchildren: Claire Bertrand and Thérèse Bertrand-Fontaine
Parents: Alexandre Jacques François Bertrand
Siblings: Marcel Alexandre Bertrand