W

John Wallis (1616-1703)
  • Born in England.
  • He defined conic sections analytically.
  • He systematized and extended the methods of analysis of Descartes and Cavalieri.
  • He provided the solution of the problems on the cycloid that had been proposed by Pascal.

Karl Weierstrass (1815-1897)
  • Born in Germany.
  • He developed a method for treating all elliptic functions in a symmetrical manner.
  • He constructed a theory of uniform analytic functions.