Being and Time essence of being is time is the opposite of Hegel's view that being is the essence of time. Karl Jaspers, writing in the first volume of his work "Philosophy" (1932), credited Heidegger with making essential points about "being in the world" and also about "existence and historicity". Heidegger's work has been suggested as a possible influence on Herbert Marcuse's "Hegel's Ontology and the Theory of Historicity" (1932), though Marcuse later questioned the political implications of Heidegger's work. Jean-Paul Sartre, who wrote "Being and Nothingness" (1943) under the influence of Heidegger's work, has been said to have responded to "Being and
David Gordon (philosopher) and was strongly influenced by German philosopher Friedrich Adolf Trendelenburg. Gordon later wrote an essay, "Second Thoughts on The Philosophical Origins of Austrian Economics," to provide some additions and corrections to his book. Gordon edited the collection, "Secession, State & Liberty" (2002), eleven essays that suggest that secession should be given serious consideration. The essays examine United States history, look at theoretical issues, and apply theory to the modern world. In 2011 Gordon conducted a study with Swedish consultant Per Nilsson on books published by Harvard University Press. They published the results of their analysis as "The Ideological Profile of