The question of the body has been central to phenomenological research and, starting with Husserl’s early reflections, has moved almost all of his pupils of the first and subsequent generations to ever more in-depth research on the subject. Edith Stein was also strongly attracted to this question, making it the starting point for a genuine anthropology. In this contribution, I would like to look at the question by referring to the historical period in which Stein and Husserl collaborated strongly and, above all, in which Stein was able to draw heavily on the continuous evolution of her master’s thought. The many connections between the two thinkers will emerge, as well as the originality of the young student who, following her doctoral work, embarks on an autonomous path that—through some concepts such as “lifepower” and “core”, at which we shall look closely—shows her originality regarding the analysis of the body and the person.