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
Home phone: +1-217-367-6384
Home postal address: 2409 S. Vine St., Urbana, Illinois 61801, USA