Cajori,
Florian Campbell,
William Wallace Cantor,
Georg Carathéodory,
Constantin Cardano,
Girolamo Cauchy,
Augustin Louis Cayley,
Arthur Celsius,
Anders Cesaro,
Ernesto Christoffel,
Elwin Bruno Church,
Alonso Clifford,
William Kingdon Coolidge,
Julian Lowell Courant,
Richard Cowling,
Thomas George Cramer,
Gabriel