Max Horkheimer (February 14, 1895 - July 7, 1973) was a German philosopher and sociologist, known especially as the founder and guiding thinker of the Frankfurt School of critical theory. He was born in Stuttgart and died in Nürnberg.

Image:adornohorkhab1.png
Horkheimer (front left) and Adorno (front right); Juergen Habermas in back, right. Heidelberg, 1965.