Gottfried Leibniz
lived from 1646 to 1716

**Gottfried Leibniz** was a German mathematician who developed the present day notation for the differential and integral calculus though 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://mathshistory.st-andrews.ac.uk/Biographies/Leibniz.html