Alfréd Haar
was born 132 years ago
11th October 1885

Alfréd Haar worked in analysis studying orthogonal systems of functions, partial differential equations, Chebyshev approximations and linear inequalities. He is best remembered for his work on analysis on groups, introducing a measure on groups, now called the Haar measure.

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