Daniel R. Grayson, Professor Emeritus, retired
Email: <dan@math.uiuc.edu>
Public keys: GnuPG, openssh.
Home address: 2409 S. Vine St., Urbana, Illinois 61801, USA (88.20224°W, 40.08541°N)
Home phone: +1-217-367-6384
Home phone from Germany: 00+1-217-367-6384
Cell phone in USA: +1-217-377-0458
Cell phone in USA from Germany: 00+1-217-377-0458
Skype name: dangrayson
an older picture

• Lectures.
• Curriculum vitae and my mathematical genealogy.
• Courses.
• Short proofs in mathematics.
• Mathematical Terminology in real life.
• Macaulay 2, which I have written with Michael Stillman, is a free computer program designed to support computations in algebraic geometry and computer algebra. You might also enjoy seeing the home page of the original Macaulay program, written by David Bayer and Michael Stillman.
• Mathematica is a popular graphical, numerical, and symbolical mathematics program which I helped write. I am also one of the cofounders of Wolfram Research, Inc, the company that markets Mathematica.
• K-theory meeting calendar and electronic preprint archives.
• Family.
• Tiger map, Mapquest map, and Google map to my house.
• Illinois crosswalk law.
• Copyright law.
• Running
• Prairie pictures and more prairie pictures.