The document discusses the lives and contributions of several famous mathematicians: Pythagoras, who lived in 580 BC and is known for the Pythagorean theorem; Rene Descartes, born in 1596 and considered the father of analytical geometry; Simeon Denis Poisson, born in 1781 who developed the Bisout theorem and introduced the Poisson distribution; Euclid, born in 330 BC and considered the father of geometry; and Leonhard Euler, born in 1707 who treated series expansions of functions and invented the beta and gamma functions. It was presented by Remya Abraham.