Henri Lebesgue

died 77 years ago

26th July 1941

**Henri Lebesgue** formulated the theory of measure in 1901 and the following year he gave the definition of the Lebesgue integral that generalises the notion of the Riemann integral.

*Find out more at*:

http://www-history.mcs.st-andrews.ac.uk/Biographies/Lebesgue.html