Namur is the name of a city in Belgium, capital of Wallonia, as well as a province named after it; also a locality in Wisconsin, USA, founded by Walloon immigrants. Follow the links to visit the article of either of them:
... of the Nobel Peace Prize
April 16 - Fifi D'Orsay, actress (+ 1983)
April 22 - Robert Oppenheimer, physicist (+ 1967)
May 6 - Harry Martinson, swedish author, ...