Thales

Full Name-
Thales of Miletus

Born-
624 B.C 

Died-
546 B.C 

In mathematics, Thales used geometry to calculate the heights of pyramids and the distance of ships from the shore. He is the first known individual to use deductive reasoning applied to geometry, by deriving four corollaries to Thales' theorem. He is the first known individual to whom a mathematical discovery has been attributed.

• Famous For-  

1. Thales Theorem
2.  Intercept Theorem

• Other Work- 

1. He was one of the Seven Sages of Greece.
2. First known individual to whom a mathematical discovery has been attributed.