Quote of the day
Park women, properly so called, are those degraded creatures, utterly lost to all sense of shame, who wander about the paths most frequented after nightfall in the Parks, and consent to any species of humiliation for the sake of acquiring a few shillings
Joan Birman
![Joan Birman](/img/nopic_profile.png)
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.