In this last article dedicated to Norbert Elias on the occasion of the 20th anniversary of his death, we propose to revise his work in a summarized way basing ourselves on the ontological, epistemological and methodological questions which Elias took up during his extensive life of teaching and research. The article also pretends to be a halting point in the monographic by picking up some of its questions, debates and conclusions, and to serve as an introduction for all those who, without special previous information about the author from Breslau, want to acquaint themselves with some of the defining features of his intellectual career throughout the 20th century. And, above all, who want to know which legacy, in the form of important questions, he leaves to the sociology of the 21st century. The article concludes with a selected biography of his main works