Being and Nothingness Being and Nothingness Being and Nothingness: An Essay on Phenomenological Ontology (), sometimes published with the subtitle A Phenomenological Essay on Ontology, is a 1943 book by the philosopher Jean-Paul Sartre, in which the author asserts the individual's existence as prior to the individual's essence ("existence precedes essence") and seeks to demonstrate that free will exists. While a prisoner of war in 1940 and 1941, Sartre read Martin Heidegger's "Being and Time" (1927). Heidegger's work, an ontological investigation through the lens and method of Husserlian phenomenology (Edmund Husserl was Heidegger's teacher), initiated Sartre's own philosophical enquiry. Though influenced by Heidegger,
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