picture of me Daniel R. Grayson, Professor Emeritus, retired
Email: <dan@math.uiuc.edu>
Public keys: GnuPG, openssh.
Github: DanGrayson
Skype: dangrayson
Facebook: dan.grayson
Google+: DanielRGrayson
Cell phone: +1-217-377-0458
Apartment phone in Princeton: +1-609-279-2990
Office phone in Princeton: +1-609-734-8142