The Institute for Social Research at the University of Frankfurt (later to become the Frankfurt School of critical theory) was founded in 1923.. 
jẹ́ òṣèré tó gba ẹ̀bùn àkàDemi fún òṣèré Ọkùnrin dídárajùlọpọ̀àwọn Ọjọ́ìbí ni àwọn ẹlẹ́bùn ADemi Ọkùnrin Òṣèré Dídárajùlọ Sago.. 