Being and Time Heidegger's "description of the world of phenomena" to be "fascinating, but maddeningly abstract". He suggests that much of "Being and Time" is a "description of a private spiritual journey" rather than genuine philosophy, and notes that Heidegger's assertions are unsupported by argument. Stephen Houlgate compares Heidegger's achievements in "Being and Time" to those of Kant in the "Critique of Pure Reason" (1781) and Hegel in "The Phenomenology of Spirit" (1807) and "Science of Logic" (1812-1816). Simon Critchley calls the work Heidegger's "magnum opus", and writes that it is impossible to understand developments in continental philosophy after Heidegger without understanding it.
Ralf Dahrendorf Ralf Dahrendorf Ralf Gustav Dahrendorf, Baron Dahrendorf, (1 May 1929 – 17 June 2009) was a German-British sociologist, philosopher, political scientist and liberal politician. A class conflict theorist, Dahrendorf was a leading expert on explaining and analyzing class divisions in modern society, and is regarded as "one of the most influential thinkers of his generation." Dahrendorf wrote multiple articles and books, his most notable being "Class Conflict in Industrial Society" (1959) and "Essays in the Theory of Society" (1968). During his political career, he was a Member of the German Parliament, Parliamentary Secretary of State at the Foreign Office of