1898 Herbert Marcuse is born in Berlin to wealthy Jewish parents.
1914 World War I begins
1917 Russian Revolution
1918 World War I ends
1919-1922 Marcuse studies at universities at Frieburg and Berlin; studied Hegel, Marxism, literature, philosophy, economics.
1923 Frankfurt School founded
1929-1933 Marcuse works with Heidegger at Frieburg; writing focuses on Hegel, Marxism, phenomenology, existentialism, German idealism; tried to synthesize Marx and Heidegger .
1932 Hegel's Ontology
1933 Hitler ascends to power
1933 Frankfurt School emigrates to Geneva;  Marcuse joins Institute
1934 Frankfurt School emigrates to United States, Columbia University
1934-1941 Marcuse helps Frankfurt School develop Critical Theory
1937 "Philosophy of Critical Theory" - focus "historically situated reason"
1941 Reason and Revolution - focus critical reason and dialectical thinking
1942-1945 Marcuse works for Office of Strategic Services, U. S.
1951 Frankfurt School moves back to Germany - without Marcuse
1955 Eros and Civilization - focus on Freud
1964 One-Dimensional Man - focus on technological rationality
  Marcuse taught at Harvard, Yale, Brandeis
1965 A Critique of Pure Tolerance
1965-1970 University of California at San Diego   - Professorship
1968 Negations
1969 An Essay on Liberation
1972 Studies in Critical Philosophy
1972 Counterrevolution and Revolt
1978 Aesthetic Dimensions
1979 Herbert Marcuse dies in Germany