Bernhard Riemann

died 151 years ago

20th July 1866

**Bernhard Riemann**'s ideas concerning geometry of space had a profound effect on the development of modern theoretical physics. He clarified the notion of integral by defining what we now call the Riemann integral.

*Find out more at*:

http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Riemann.html