Julian Leopold Ochorowicz ("Yool-yahn Oh-hor-oh-veech"; outside Poland, also known as Julien Ochorowitz; Radzymin, 23 February 1850 – 1 May 1917, Warsaw) was a Polish philosopher, psychologist, inventor (precursor of radio and television), poet, publicist and leading exponent of Polish Positivism.
Julian Ochorowicz was the son of Julian and Jadwiga, née Sumińska.
Ochorowicz studied natural sciences at Warsaw University, graduating in 1871. He subsequently studied at Leipzig University under Wilhelm Wundt; in 1874 he received his doctorate there with a thesis On Conditions of Consciousness.
Returning to Warsaw, in 1874-75 he was editor-in-chief of the popular Polish-language periodical, Niwa (The Field). From 1881 he was assistant professor (docent) of psychology and natural philosophy at Lwów University.
Returning to Warsaw, from 1900 Ochorowicz was president of Kasa Literacka (the Literary Fund). He published his pedagogical papers in Encyklopedia Wychowawcza (the Encyclopedia of Education).
Ochorowicz was a pioneer of empirical research in psychology and conducted studies into occultism, Spiritualism, hypnosis and telepathy. His most popular works included Wstęp i pogląd ogólny na filozofię pozytywną (An Introduction to and Overview of Positive Philosophy, 1872) and Jak należy badać duszę? (How Should One Study the Soul?, 1869).
Ochorowicz the poet published in Przegląd Tygodniowy (the Weekly Review) under the pen-name Julian Mohort. He wrote the poem, "Naprzód" ("Forward," 1873), regarded as the Polish Positivists' manifesto.
Ochorowicz, a trained philosopher with a doctorate from the University of Leipzig, became the leader of the Positivist movement in Poland. In 1872 he wrote: "We shall call a Positivist, anyone who bases assertions on verifiable evidence; who does not express himself categorically about doubtful things, and does not speak at all about those that are inaccessible."
In 1877 he elaborated the theory for a monochromatic television, to be constructed as a screen comprising bulbs that would convert transmitted images into groups of light points.
In 1885, on several occasions, he demonstrated his own improved telephone. In Paris, he connected the building of the Ministry of Posts and Telegraph with the Paris Opera, 4 kilometers away. At the Antwerp World's Fair, he set up a connection with Brussels, 45 km distant. He linked St. Petersburg, Russia, with Bologoye, 320 km away.
He experimented with microphones and with apparatus for sending sound and light over distances, and so is regarded as a precursor of radio and television.
Ochorowicz conducted experiments at a psychological laboratory that he established at Wisła.
Julian Ochorowicz was a Warsaw University schoolmate of Bolesław Prus, who portrayed him in his 1889 novel, The Doll, as the scientist "Julian Ochocki." Ochorowicz, after returning to Warsaw from Paris, in 1893 delivered several public lectures on ancient Egyptian knowledge. These evidently helped inspire Prus to write (1894–95) his sole historical novel, Pharaoh. Ochorowicz provided Prus books on Egyptology that he had brought back from Paris.
Also in 1893, Ochorowicz introduced Prus to the Italian Spiritualist, Eusapia Palladino, whom he had brought to Warsaw from her mediumistic tour in St. Petersburg, Russia. Prus attended a number of séances conducted by Palladino and incorporated several prominent spiritualist-inspired scenes into his 1895 novel Pharaoh.
Ochorowicz hosted Palladino in Warsaw from November 1893 to January 1894. Regarding the phenomena demonstrated at Palladino's séances, he concluded against the spirit hypothesis and for a hypothesis that these phenomena were caused by a "fluidic action" and were performed at the expense of the medium's own powers and those of the other participants in the séances. Ochorowicz, with Frederic William Henry Myers, Charles Richet and Oliver Lodge, investigated Palladino in the summer of 1894 at Richet's house on the Île du Grand Ribaud in the Mediterranean. Myers and Richet claimed that furniture moved during the séances and that some of the phenomena were the result of a supernatural agency. However, Richard Hodgson claimed there was inadequate control during the séances and that the precautions described did not rule out trickery. Hodgson wrote that all the phenomena "described could be accounted for on the assumption that Eusapia could get a hand or foot free." Lodge, Myers and Richet disagreed, but Hodgson was later proven correct in the Cambridge sittings as Palladino was observed to have used tricks exactly the way he had described them.
- Jak należy badać duszę? Czyli o metodzie badań psychologicznych (How Should One Study the Soul? On the Method of Psychological Studies), 1869.
- Miłość, zbrodnia, wiara i moralność. Kilka studiów z psychologii kryminalnej (Love, Crime, Faith and Morality: Several Studies in the Psychology of Crime), 1870.
- Wstęp i pogląd ogólny na filozofię pozytywną (An Introduction to and Overview of Positive Philosophy), 1872.
- Z dziennika psychologa (From a Psychologist's Journal), 1876.
- O twórczości poetyckiej ze stanowiska psychologii (On Poetic Creativity from the Standpoint of Psychology), 1877.
- De la Suggestion mentale, deuxieme édition (second edition), Paris, Doin, 1889.
- Psychologia, pedagogika, etyka. Przyczynki do usiłowań naszego odrodzenia narodowego (Psychology, Pedagogy, Ethics: Contributions toward Our National Rebirth), 1917.
- Ochorowicz, J., Mental suggestion, by Dr. J. Ochorowicz ... with a preface by Charles Richet, translated from the French by J. Fitzgerald, M.A., New York, Humboldt Publishing Co, 1891.
- J. Ochorowicz, Mental Dominance, New York, Instant Improvement, Inc., 1990. (From the page facing the title page: "This book, [first] published in French by Idégaf [in 1988], is a newly revised edition and was brought up to date by a group of psychologists.")
- History of philosophy in Poland
- List of Poles
- William Crookes (regarding notables who believed in Spiritualism).
- "Ochorowicz, Julian Leopold," Polski słownik biograficzny.
- Tatarkiewicz, Historia filozofii, vol. 3, p. 177.
- "Stanisława Tomczyk photo description at Diomedia". Retrieved November 18, 2013. Description page at a stock photo agency representing the Mary Evans Picture Library, where the date is also given as 1909. She visited the researcher in 1908 and 1909; hence, the exact date is uncertain at this time and reported as 1908 elsewhere.
- "The Sketch. A journal of art and actuality". HathiTrust.org Digital Library 70: 277. June 8, 1910. Retrieved November 17, 2013.
- Jan Wantuła, "Prus i Ochorowicz w Wiśle" ("Prus and Ochorowicz in Wisła"), in Stanisław Fita, ed., Wspomnienia o Bolesławie Prusie, p. 215.
- Krystyna Tokarzówna and Stanisław Fita, Bolesław Prus, pp. 440, 443, 445-53.
- Christopher Kasparek, "Prus' Pharaoh: Primer on Power", pp. 332-33.
- Walter Mann. (1919). The Follies and Frauds of Spiritualism. Rationalist Association. London: Watts & Co. pp. 115-130
- "Ochorowicz, Julian Leopold," Polski słownik biograficzny, vol. 23, pp. 499–505.
- T. Cienciała, "Julian Ochorowicz (1850-1917)," Kalendarz Cieszyński 2002, Cieszyn, 2001, pp. 222–24.
- "Ochorowicz Julian," Encyklopedia Polski, Kraków, Wydawnictwo Ryszard Kluszczyński, 1996, p. 453.
- Krystyna Tokarzówna and Stanisław Fita, Bolesław Prus,1847-1912: Kalendarz życia i twórczości (Bolesław Prus: Calendar of Life and Works), edited by Zygmunt Szweykowski, Warsaw, Państwowy Instytut Wydawniczy, 1969, pp. 445–53 et passim.
- Stanisław Fita, ed., Wspomnienia o Bolesławie Prusie (Reminiscences about Bolesław Prus), Warsaw, Państwowy Instytut Wydawniczy, 1962.
- Christopher Kasparek, "Prus' Pharaoh: Primer on Power", The Polish Review, 1995, no. 3, pp. 331–34.
- Władysław Tatarkiewicz, Historia filozofii (History of Philosophy), 3 vols., Warsaw, Państwowe Wydawnictwo Naukowe, 1978.
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