### Georg Cantor

**Born:** March 3, 1845

**Died:** January 6, 1918

**Nationality:** German

**Occupation:** Mathematician

**Biography:** Georg Ferdinand Ludwig Philipp Cantor was a German mathematician, best known as the inventor of set theory, which has become a fundamental theory in mathematics. Cantor established the importance of one-to-one correspondence between the members of two sets, defined infinite and well-ordered sets, and proved that the real numbers are more numerous than the natural numbers.