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
Thomas Vaughan (philosopher) Thomas Vaughan (philosopher) Thomas Vaughan (1621 − 27 February 1666) was a Welsh philosopher and alchemist, who wrote in English. He is now remembered for his work in the field of natural magic. A Royalist clergyman from Brecon, Wales, Thomas was the twin brother of the poet Henry Vaughan, both being born at Newton, in the parish of St. Briget's, in 1621. He entered Jesus College, Oxford, in 1638, and remained there for a decade during the English Civil War. Vaughan took part in the Battle of Rowton Heath in 1645. He became rector of the parish of Llansantffraed (St