Coincidence?
- September 2000: Enter Princeton University.
- September 2001: Shirley Tilghman is installed as the first female president of Princeton University.
- September 2004: Enter Harvard University and the Massachusetts Institute of Technology.
- December 2004: Susan Hockfield is installed as the first female president of MIT.
- February 2007: Drew Faust is selected as the first female president of Harvard University.
I sense a trend.