 The collection was posthumously published in Germany four years later.His essay on ‘Wittgenstein and Nietzsche’ appears in "Portraits of Wittgenstein" (1999).Heller also contributed an introduction to R. J. Hollingdale's (1930–2001) translation of Nietzsche's "Menschliches, Allzumenschliches" ("Human, All Too Human"), published by Cambridge University Press in 1986.