© koninklijke brill nv, leiden, 2018 | doi 10. 1163 / 15691640- 12341382 Research in Phenomenology 48 ( 2018 ) 1 – 28 brill.com/rp Research in Phenomenology Heidegger’s National-Humanism Reading Derrida’s Geschlecht III Rodrigo Bueno Therezo Albert-Ludwigs-Universität Freiburg rodrigo.therezo@philosophie.uni-freiburg.de Abstract This paper is an attempt to think through Derrida’s newly discovered Geschlecht III , the third and missing installment of Derrida’s four part series on Heidegger and Geschlecht. I argue that Derrida’s reading of Heidegger in Geschlecht III needs to be situated within the philosophico-political context of Derrida’s 1984–85 seminar— given under the general title Philosophical Nationality and Nationalism—from which Geschlecht III is extracted. In the first part of the paper, I reconstruct Derrida’s gen- eral problematic of national-humanism as he lays it out in the opening sessions of the seminar, before arriving at his reading of Heidegger, who will be part of “a sequence of German national-philosophism,” as Derrida calls it. In the second part, the paper turns explicitly to Geschlecht III where, as I show, Derrida’s thoroughgoing denunciation of a national-humanism in Heidegger becomes all the more telling when seen through the theoretical matrix of the seminar. Keywords Derrida – Heidegger – Geschlecht III – Fichte – National Socialism – Trakl Introduction A new archival discovery is bound to reconfigure the relation between the thought of Jacques Derrida and that of Martin Heidegger. Geschlecht III , the third and missing installment of Derrida’s four part series on Heidegger and