A group of social, economic, political, psychological and aesthetic theorists (so-called "critical theorists") that first organized in the 1920s to form the Frankfurt Institute for Social Research. The Frankfurt School comprised the following:

The Institute disbanded in the late 1960s. The writings and lectures of the Frankfurt School were grounded in Marxist thought.

The Essential Frankfurt School Reader
Arato, Andrew and Eike Gebhardt, eds.;
ISBN: 0-8264-0194-5