Sebastian Luft is professor of philosophy at Marquette University.  He has held visiting positions at the universities of Paderborn, Freiburg i.Br., Graz, San Juan (Puerto Rico).  He specializes in phenomenology, philosophy of culture, and 19th & 20th century European philosophy.  He has published and edited several books and numerous articles in these areas.

Ruth Hagengruber is Professor of Philosophy and Chair of the Department of Philosophy at Paderborn University, Germany. In 2006 she founded the teaching and research area History of Women Philosophers & Scientists and is director of the 2016 founded Center for the History of Women Philosophers & Scientists at Paderborn University. 

She published - among other - Emilie du Châtelet between Leibniz and Newton (Springer 2011); with co-editor Karen Green: History of Women's Ideas (Monist 98, Oxford University Press 2015). 2017 with Hartmut Hecht: Emilie Du Châtelet und die deutsche Aufklärung (Springer 2018) as well as with co-editor Uwe Riss Philosophy, Computing and Information Science. London: Pickering & Chatto; 2015 and other.

Section I: Social Ontology in Edith Stein and Gerda Walther

1. Antonio Calcagno: Edith Stein and Gerda Walther: The Role of Empathy in Experiencing Community

2. Julia Mühl: Meaning of Individuals within Communities: Gerda Walther and Edith Stein on the Constitution of Social Communities

3. William Tullius: Edith Stein on Social Ontology and the Constitution of Individual Moral Identity

4. Anna Jani: The Ontic-Ontological Aspects of Social Life. Edith Stein's Approach to the Problem

5. Alice Togni: Starting from Husserl: Communal Life according to Edith Stein

6. Martina Galvani: The role of the intellectual in the social organism. Edith Stein's analyses between social ontology and philosophical anthropology

7. Thomas Szanto: The Phenomenology of Shared Emotions - Reassessing Gerda Walther

8. Hans-Bernhard Schmid & Xiaoxi Wu: We-Experience - with Walther

9. Anna Piazza: Gerda Walther between the phenomenology of mystics and the ontology of communities

10. Sebastian Luft: Do We-Experiences Require an Intentional Object? On the Nature of Reflective Communities (Following Gerda Walther)

Section II: The Ontology of Hedwig Conrad-Martius

11. Ronny Miron: Essence, Abyss, and Self - Hedwig Conrad-Martius on the Non-Spatial Dimensions of Being

12. Manuela Massa: "The reinstatement of the phenomenon". Hedwig Conrad Martius and the meaning of "being"

Section III: Edith Stein, Jean-Paul Sartre, and Hannah Arendt on Sociality and Politics

13. Gerhard Thonhauser: From Collectives to Groups - Sartre and Stein on Joint Action and Emotional Sharing

14. Maria Robaszkiewicz: Women as zoa politika, or: Why There Could Never Be a Women's Party. An Arendtian-Inspired Phenomenology of a Female Political Subject

15. Anna-Magdalena Schaupp: Ontology is social. How Arendt Solves a Wittgensteinian Problem