David Spergel (@davidspergel) 's Twitter Profile
David Spergel

@davidspergel

Astrophysicist at Princeton University and Flatiron Institute
President, Simons Foundation. Views are my own.

ID: 2294678598

linkhttps://www.simonsfoundation.org/people/david-spergel/ calendar_today16-01-2014 16:18:58

2,2K Tweet

9,9K Followers

201 Following