International audienceThe choice to study Amphiaraeus and Asclepius arises primarily from the desire to honor the memory of Pierre Sineux who has during the whole of his career paid great attention to them. He was able to find out the analogies and differences which exist in terms of cult pratices and the place occupied by the rite of incubation. We would like here to develop his reflexions by approaching, in comparative perspective, the double identity, heroic and divine, of Amphiaraeus and Asclepius of the Archaic and Classical periods. The unfolding mythical questions of the both characters and the implementation and spreading of both cults will be adressed successively, in order to highlight the similarities and specificities on their...