Untill they wiped him and his society out & chose to remember him for only for his right-angled triangle theorem...
"Thou shalt know;
Self-chosen are the woes that fall on men -
How wretched, for they see not good so near,
Nor hearken to its voice - few only know
The pathway of deliverance from ill."
Timothy Leary, Aleister Crowley, Philip K. Dick, R. Buckminster Fuller and Robert Anton Wilson
have all described themselves as modern Pythagoreans.
Mouseover the bottom of The Divine Ratio page for more on Pythagoras.