  From the early 1890s Yorck worked on a manuscript on Heraclitus (Yorck 1896/97) and a book about the Stances of Consciousness and History (Yorck  1892–1897).[1] Before his death, Yorck declared the two works unfinished and not ready for publication. Published only posthumously, they are, in the words of Karlfried Gründer (1970, 55), “sketches” of first drafts for “great philosophical books.” Paul Yorck died at Klein-Oels, September 12, 1897. His grandson, Count Peter Yorck, who had studied Yorck's unfinished works, was a leading member of the Kreisauer Circle, the German resistance cell responsible for the failed attempt to assassinate Hitler on July 20, 1944.