Quote of the day
But the branches of industry are so multifarious, the divisions of labour so minutes and manifold, that it seems at first almost impossible to reduce them to any system
Joan Birman

Born: May 30, 1927 (age 98)
Bio: Joan Sylvia Lyttle Birman is an American mathematician, specializing in braid theory and knot theory. Her book Braids, Links, and Mapping Class Groups has become a standard introduction, with many of today's researchers having learned the subject through it.






