Jacques Derrida (El Biar, Algeria, 1930 - Paris, 2004) was arguably one of the most universal French philosophers of the twentieth century. Philosopher provoked and continues to provoke, enthusiastic adhesions and sharp criticism, object and subject of dispute and controversy, some famous, like to keep for fifteen years with Michel Foucault, was also the author of an extensive work translated into most languages ​​and in which highlight some titles that made ​​history (Glas, of Grammatology, writing and difference, speech and Phenomena). Founder, along with François Lyotard, the International College of Philosophy and a member of GREPH (Research Group teaching philosophy), Derrida was not alien to any political or cultural movement of his time. Regular visiting professor and honorary doctorates from several universities worldwide (Leuven, Cambridge, Western Cape, Beijing, Jerusalem or Coimbra, among many others), Derrida was awarded some of the most prestigious awards in the world of culture (Award Friedrich Nietzsche in 1988, Ignacio Silone, Adorno Prize in 2001) Award in 1992. Pre-Texts has published his works. Positions, Spurs: Nietzsche's Styles, The Speech and Phenomena, Of spirit: Heidegger and the Question. Every single time, the end of the world, originally published in America as The Work of Mourning, and in 2003 in France, was one of his last works.