Daniel R. Grayson, Professor Emeritus, deceased
Public keys: GnuPG here, GnuPG at keybase, openssh.
Facebook: dan.grayson; Skype: dangrayson
Github: DanGrayson; Docker: danielgrayson
Math Reviews: 76410; arXiv: grayson_d_1
ORCID: 0000-0002-7237-4592; Zentrallblatt: grayson.daniel-r
Math overflow: dan-grayson; Stack overflow: daniel-r-grayson

• Curriculum vitae and my mathematical genealogy.
• Macaulay2, 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.
• My current software projects at github.
• Mathematica is a popular graphical, numerical, and symbolical mathematics program that I helped write. I am also one of the cofounders of Wolfram Research, Inc, the company that markets Mathematica.
• Short proofs in mathematics.
• Lectures.
• Courses.
• Family.
• Illinois crosswalk law.
• Copyright law.
• Running.
• Pictures.
  • Prairie pictures.
  • more prairie pictures.
• an article about Carol intending to retire.
• Post-mortem.
  • Obituary.
  • Cousin Lisa's memories of Dan.