A historical survey on progress in understanding topological spheres and differentiable spheres.
Thursday, April 5, 2012 from 4:00pm-5:00pm. There will be a reception following the talk.
![Image for "Special Colloquium:](http://app.icerm.brown.edu/img/spheres_image.jpg)
John Milnor, Co-Director, Institute for Mathematical Sciences
A historical survey on progress in understanding topological spheres and differentiable spheres.
Thursday, April 5, 2012 from 4:00pm-5:00pm. There will be a reception following the talk.