
Karl Ludwig August Friedrich Maximilian Alfred, Freiherr von Prel, or, in French, Carl Ludwig August Friedrich Maximilian Alfred, Baron du Prel (3 April 1839
Landshut, Germany – 4 August 1899 Heiligkreuz, Austria), was a German philosopher and writer on mysticism and the occult. In the literature it has become customary to refer to him under various abbreviated French forms of his name, usually "Carl Du Prel," "Baron Carl Du Prel," or simply "Baron Du Prel."
Biography
He was born at
Landshut. After studying at the
University of Munich
The Ludwig Maximilian University of Munich (simply University of Munich or LMU; german: link=no, Ludwig-Maximilians-Universität München) is a public research university in Munich, Bavaria, Germany. Originally established as the University of ...
he served in the
Bavaria
Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total l ...
n army from 1859 to 1872, when he retired with the rank of captain. He then gave himself up to philosophical work, especially in connection with the phenomena of
hypnotism
Hypnosis is a human condition involving focused attention (the selective attention/selective inattention hypothesis, SASI), reduced peripheral awareness, and an enhanced capacity to respond to suggestion.In 2015, the American Psychologica ...
and
occultism
The occult, in the broadest sense, is a category of esoteric supernatural beliefs and practices which generally fall outside the scope of religion and science, encompassing phenomena involving otherworldly agency, such as magic and mysticism a ...
from the modern psychological standpoint. In 1868 he received the degree of doctor from the
University of Tübingen
The University of Tübingen, officially the Eberhard Karl University of Tübingen (german: Eberhard Karls Universität Tübingen; la, Universitas Eberhardina Carolina), is a public research university located in the city of Tübingen, Baden-W� ...
in recognition of a treatise on the psychology of dreams (''Oneirokritikon. Der Traum vom Standpunkt des transcendentalen Idealismus''). Following this achievement, he became something of a protege to
Eduard von Hartmann
Karl Robert Eduard von Hartmann, was a German philosopher, independent scholar and author of '' Philosophy of the Unconscious'' (1869). His notable ideas include the theory of the Unconscious and a pessimistic interpretation of the " best of ...
, promoting and vigorously defending his work
Philosophy of the Unconscious
''Philosophy of the Unconscious: Speculative Results According to the Induction Method of the Physical Sciences'' (german: Philosophie des Unbewussten) is an 1869 book by the philosopher Eduard von Hartmann. The culmination of the speculations an ...
(1869).
Du Prel sought to combine early
parapsychological research and Kantian
transcendental idealism
Transcendental idealism is a philosophical system founded by German philosopher Immanuel Kant in the 18th century. Kant's epistemological program is found throughout his '' Critique of Pure Reason'' (1781). By ''transcendental'' (a term that des ...
to argue that
mystical experiences
Scholarly approaches to mysticism include typologies of mysticism and the explanation of mystical states. Since the 19th century, mystical experience has evolved as a distinctive concept. It is closely related to "mysticism" but lays sole emphasi ...
were universal and subjective, paralleling a similar argument made by
William James
William James (January 11, 1842 – August 26, 1910) was an American philosopher, historian, and psychologist, and the first educator to offer a psychology course in the United States.
James is considered to be a leading thinker of the la ...
. He attempted to deduce the existence of spirit, apart from, and yet entering from time to time into connection with, the phenomena of the senses, by an examination of the relation between the ego of thought and the age of sensible experience as understood by
Immanuel Kant
Immanuel Kant (, , ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works in epistemology, metaphysics, ethics, and aes ...
.

In ''Der Kampf ums Dasein am Himmel'', Du Prel endeavoured to apply the
Darwinian
Darwinism is a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others, stating that all species of organisms arise and develop through the natural selection of small, inherited variations that ...
doctrine of biological
evolution
Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes, which are passed on from parent to offspring during reproduction. Variation ...
not only to the sphere of consciousness but also even more widely as the philosophical principle of the world. He was one of a large number of German thinkers who, during the latter half of the nineteenth century, endeavored to treat the mind as a mechanism. His interest in Darwinism was also tied to a belief in
extraterrestrial life.
[Weber (2007), p. 593.]
Although today regarded mostly as an obscure figure in the history of occultism, in his own lifetime Du Prel was widely respected as a scientist and philosopher. The fourth edition of
Sigmund Freud
Sigmund Freud ( , ; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating psychopathology, pathologies explained as originatin ...
's ''
The Interpretation of Dreams
''The Interpretation of Dreams'' (german: Die Traumdeutung) is an 1899 book by Sigmund Freud, the founder of psychoanalysis, in which the author introduces his theory of the unconscious with respect to dream interpretation, and discusses what ...
'' (1914) positively cites Du Prel as both a mystic and one whose conclusions parallel and apply Freud's work.
Works
*''Der gesunde Menschenverstand vor den Problemen der Wissenschaft'' (1872)
*''Der Kampf ums Dasein am Himmel'' (1874) (republished in 1882 under the title ''Entwickelungsgeschichte des Weltalls'')
*''Die Planetenbewohner and die Nebularhypothese '' (1880)
*''Die Philosophie der Mystik'' (1885)
*''Justinus Kerner und die Seherin von Prevorst'' (1886)
*''Die monistische Seelenlehre'' (1888)
*''Die Mystik der alten Griechen'' (1888)
*''Kants mystische Weltanschauung'' (1889)
*''Studien aus dem Gebiete der Geheimwissenschaften'' (1890)
*''Der Spiritismus'' (1893)
*''Die Entdeckung der Seele durch die Geheimwissenschaften'' (1894–1895)
References
*
Andreas W. Daum
Andreas W. Daum is a German-American historian who specializes in modern German and transatlantic history, as well as the history of knowledge and global exploration.
Daum received his Ph.D. summa cum laude in 1995 from the Ludwig Maximilian Unive ...
, ''Wissenschaftspopularisierung im 19. Jahrhundert: Bürgerliche Kultur, naturwissenschaftliche Bildung und die deutsche Öffentlichkeit, 1848–1914''. Munich: Oldenbourg, 1998, , pp. 388, 457, 485.
*
*
{{DEFAULTSORT:Prel, Karl, Freiherr Von
1839 births
1899 deaths
German philosophers
German male writers