Pierre Ossian Bonnet
Pierre Ossian Bonnet was a French mathematician. He made some important contributions to the differential geometry of surfaces, including the Gauss–Bonnet theorem.
22 December 1819
Born on the same birth date (22 December 1819): Franz Abt
Born on the same birth day (22 December): David Pearson (racing driver) • Franz Abt • Luna H. Mitani • Mike Jackson (right-handed pitcher) • Patricia Hayes • Zack Britton
Born in the same month (December 1819): E. D. E. N. Southworth • Franz Abt • Jan Jakob Lodewijk ten Kate • John W. Geary • Theodor Fontane