Quote of the day
Autumn burned brightly, a running flame through the mountains, a torch flung to the trees.
Joan Birman
Born: May 30, 1927 (age 96)
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.