
The o ccult was in the forefront of Jung ' s interest from the v er y
beginning o f his pro fessional career, a n d before. At the behest o f
h i s chief, the great psy chia trist Eugen Bleuler, J ung w r o t e his
M . D . disser tation on " The Psy chology and Pathology of SoCalled
O ccult Phenom ena, " • published in 1902, and evidently
c omposed after he became an assistant physician at the Burgholzli
H o spi tal in 1 9 0 0 . In psy chi a tric terms, he describe d several
clinical cases of double consciousness, t w ilight states, and som nam
b ulism, then presented in detail the case of an adolescent
girl m e dium, w ho s e seances he had witnessed in the m i d 1 890's.
He sought to account clinically for the visions experienced by
this y o ung w om a n, and cites the theory of cryp tomnesia, the
coming into consciousness o f unrecognized memor y -i m a g es - a
r eference, obviously, to the unconsci ous . In Jung's conclusion to
the m onog raph, there is an allusion to what sounds v ery close to
the collective unconscious . "I w a ded through the occult literature
' In the present selection.
so far as i t p ertained to this subject [the root idea of the girl's
v i sions], and discovered a wealth of parallels w i t h our gnostic
system, dating from different centuries, but scattered about i n all
kinds of w o r k s, most of them qui te inaccessible to the p a tient"
(par. 149).
Several years earlier, in 1 897, while an undergraduate a t Basel
U ni v ersi ty, J ung discussed the occul t in a lecture to the Zofi ng i a
Society, a student club .' Speaking in 1 897 on the general subject
of p sy chology, the 2 2 -y ear-old Jung said that the soul does exist,
it is intelligent and immor tal, not subject to time and space. H e
declared the reality o f spiri ts a n d spiri tuali sm , on the evidence o f
telekinesis, messages o f dying people, hy pnotism, clairv oyance,
second sight, and prophetic dream s .
I n February 1 905, Jung gave a lecture a t h i s a l m a mater, Basel
University, " O n Spiri tualistic Phenom ena " - a l engthy discourse
in w h i c h he surveyed the history and p s y chology of the subject
in A m erica and England as well as on the C ontinent . He drew
upon a broad range o f liter a ture - Schopenhauer, Swedenborg,
Mesmer, Kant, Kerner, Krafft - Ebing, and the famous English
phy sicist Sir W i l l i a m Crookes, whose observ a tions of levitation
had impressed J un g particularly . Jung himsel f had investiga ted
eight m ediums in Zuri ch; in general, he was unimpressed, diagnosing
b o th hys teria and auto-hypnosis in most instances.'
Two and a half years later, in a letter of Nov . 2, 1 907,' Jung
told Freu d that because of his services a s an occul tist he had been
elected a n honorary fellow of the American Society for P sy chical
Research- nearly two years before he first visited America