Gottfried Leibniz
was born 371 years ago
1st July 1646

Gottfried Leibniz developed the present day notation for the differential and integral calculus. He never thought of the derivative as a limit. His philosophy is also important and he invented an early calculating machine.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Leibniz.html