chrisaldrich 05 Apr 2025 in Public https://math.ucr.edu/home/baez/crackpot.html mathematics Crackpot Index John Carlos Baez physics
chrisaldrich 02 Oct 2024 in Public https://en.wikipedia.org/wiki/Crackpot_index crackpot index John Carlos Baez science risk management Fred J. Gruenberger crackpots Friends of the Link 2024-10-02