Karl Robert Eduard vonHartmann (23 February 1842 – 5 June 1906) was a German philosopher, independent scholar and author of Philosophy of the Unconscious
of Hartmann. Hartmannvon Aue (c. 1170 – c. 1210) German poet Lukas Hartmann (1944), Swiss novelist and children's literature writer Moritz Hartmann (1821–1872)