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): Britta Heidemann • David Pearson (racing driver) • David S. Goyer • Diocletian • Galina Murašova • Haldan Keffer Hartline • Héctor Elizondo • James Burke (science historian) • Jerry Koosman • Jordin Sparks • José Fonte • Kirk Maltby • Mohamed El Shenawy • Myer Prinstein • Nick Johnson (basketball) • Peter Mortimer (rugby league) • Ruth Roman • Simon Kirby
Born in the same month (December 1819): E. D. E. N. Southworth • Franz Abt • Jan Jakob Lodewijk ten Kate • John W. Geary • Theodor Fontane