Thury, Marc (1822–1905)
Swiss psychical researcher, professor of physics and natural
history at the University of Geneva, and a pioneer of investigations
into telekinesis phenomena. In a small pamphlet Les Tables
tournantes (1855) he reviewed Count de Gasparin’s experiments
and detailed his own observations with a circle of private
friends under test conditions. He was the first exponent of the
theory of ectoplasm. He named the substance that he believed
to be a link between the soul and body ‘‘psychode,’’ and the
force that manipulated it ‘‘ectenic force.’’ This force, he believed,
was subject to the will power of the medium.
While De Gasparin repudiated Spiritism as absurd and contrary
to moral truth, Thury contended that while ‘‘the known
facts are not as yet sufficient for the demonstration of the spirit
theory,’’ yet ‘‘the absurdity of the belief in the intervention of
spirits has not been scientifically demonstrated.’’ He asserted
that there may exist in this world wills other than those of man
and the animals, wills capable of acting on matter.
Pleasants, Helene, ed. Biographical Dictionary of Parapsychology.
New York Helix Press, 1964.
Thury, Marc. Les Tables tournantes. Geneva, 1855.