**Pythagoras
Leonardo of Pisa or Fibonacci
Plato
Theon of Smyrna
Nicomachus of Gerasa
Speusippus
Michael Stifel
Diophantus
FrancËois VieÁte:** published Introduction to the Analytic Art, one of the earliest texts to champion the use of Latin letters to represent numbers to solve problems algebraically. In an effort to show the power of algebra, VieÁte included algebraic solutions to a number of interesting problems that were mentioned but not solved by Diophantus in the Arithmetica.

**Claude-Gaspard Bachet de MeÂziriac**

Pierre de Fermat

Joseph-Louis Lagrange

Leonhard Euler

Karl Friedrich Gauss

Adrien Marie Legendre

Augustin-Louis Cauchy

Pierre de Fermat

Joseph-Louis Lagrange

Leonhard Euler

Karl Friedrich Gauss

Adrien Marie Legendre

Augustin-Louis Cauchy