Famous mathematician - part1

A List of few Famous Mathematician:

Name	Picture	Life Span	Known For
Srinivas Ramanujan		Born-December22,1887 Died -  26 April 1920	1. Number Theory 2.Continued fractions 3. Prime Numbers 4. Elliptic Functions
Pythagoras		Born: Around 570 B.C. Died: Around 500 B.C.	1. Pythagorean Theorem
Johann Carl Friedrich Gauss		Born: April 30, 1777 Died: February 23,1855	1.  Number Theory 2. Differential Calculas 3. Algebra 4. Statistics
Euclid		Around 300 BC	1. Geometry 2. Number Theory
Aryabhata		Born:476 AD Died:550 AD	1.Place Value System 2. Sine table 3.Algebra 4. Plane Trigonometry
Archimedes		Born:287 BC Died:212 BC	1. Use of Infinitesimals 2.Sum of infinite geometric series 3. Area of Circle
Newton		Born:December25,1642 Died:March 20, 1727	1.Calculus 2.Binomial Theorem
Einstein		Born: March 14, 1879 Died:April 18, 1955	1. Theory Of Relativity 2.Unified Field Theory
Omar Khayyam		Born:May 18, 1048 Died: December 4, 1131	1. Algebra 2. Solution Of Cubic equations 3. Binomial Theorem
John Napier		Born:1550 Died: 1617	1.Logarithms 2. Napier's Bones 3.Use of Decimal Point

Note: This list is not exhaustive and is not in any order.Its a random compilation.