"… Evan Harris Walker’s ingenious theory of
the psi force, a theory that assigned psi
both positive and negative values in such a way
that the mere presence of a skeptic in the near
vicinity of a sensitive psychic investigation could
force null results. Neat, Dr. Walker, thought
Peter Slater— neat, and totally without content."
— From the 1983 novel Broken Symmetries
by Paul Preuss
It turns out that Walker died "on the evening of August 17, 2006."
From this journal on that date —