Rudolf Maria Holzapfel (26 April 1874, Kraków – 8 February 1930, Muri bei Bern) was a Polish-born Austrian psychologist and philosopher. He was nominated for the Nobel Prize in Literature six times.
Literary works
Panidealische Psychologie der sozialen Gefühle, 1901
Panideal. Das Seelenleben und seine soziale Neugestaltung, 2 vols., new ed., 1923
Welterlebnis, 2 vols., 1928
Nachgelassene Schriften, 1932