Academic pages in English. Thanks.Élie Joseph Cartan (1869-1951), French mathematician who did fundamental work in the theory of Lie groups and their geometric applications.
Academic pages in English. Thanks.Augustin Louis Cauchy (1789–1857), French mathematician. He started the project of formulating and proving the theorems of calculus and was thus an early pioneer of analysis.
Academic pages in English. Thanks.Bonaventura Francesco Cavalieri (1598-1647), Italian mathematician who developed a method of indivisibles which became a factor in the development of the integral calculus.
Academic pages in English. Thanks.Arthur Cayley (1821-1895), British mathematician. The most important of his work is in developing the algebra of matrices and work in non-euclidean and n-dimensional geometry.
Academic pages in English. Thanks.Pafnuty Lvovich Chebyshev (1821-1894), Russian mathematician who is largely remembered for his investigations in number theory.
Academic pages in English. Thanks.Alexis Claude Clairaut (1713-1765), French mathematician who confirmed the Newton-Huygens belief that the Earth was flattened at the poles.
Academic pages in English. Thanks.Gabriel Cramer (1704-1752), Swiss mathematician who worked on analysis and determinants.