Quote of the day
By their victory, the 3rd, 4th and 5th Marine Divisions and other units of the Fifth Amphibious Corps have made an accounting to their country which only history will be able to value fully. Among the Americans serving on Iwo island, uncommon valor was a common virtue.
Joan Birman

Born: May 30, 1927 (age 97)
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.