Theodor Adorno was director of the Institute for Social Research at the University of Frankfurt from 1956 until his death in 1969. His works include In Search of Wagner, Aesthetic Theory, Negative Dialectics, and (with Max Horkheimer) Dialectic of Enlightenment. Max Horkheimer (1895-1973) was a philosopher and sociologist.
Much of their interesting conversation about work, happiness, leisure, and society is germane to our time. Steven Poole, Guardian