About E. J. Post
(written by R.M.Kiehn)
Jan Post first worked in Holland with interests in crystallography as applied to
electromagnetic circuits. After working in industry for some time, he obtained
his Ph.D. degree and worked with the Schouten school and the Kramer's school in
Holland. In 2000 he will be 86, and yet is still very active in the field of
Physics. During his life he has had many "chats" (as he calls them) with many of
the great leaders of physics in the formative years of the quantum theory. His
first hand stories were always intriguing to me, when we went out for a simple
dinner of soup and salad at Alfred's restaurant in Houston.
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His article on the Sagnac effect (Rev of Mod Physics) is what attracted
me to Jan's work. Later I discovered his monograph "The Formal Structure of
Electromagnetics" in which I saw the first definitive treatment of the Faraday
effect, and its non-reciprocity. This idea was what I had been searching for,
for if an experiment between EM and gravity was to work, it would have to
accumulate data - like the Faraday ratchet - in order to measure very small
effects.
The Jacksonian version of EM theory did not come close to explaining the
features that were so clear in Post's expose. I used to call the small book, the
"Tourist's Guide of Electromagnetism". The book is back in print now (Dover),
and no one interested in EM should be without it.
After reading the Sagnac article I called Post (in Massachesetts at the time) and in a few weeks he showed up at my door in Houston, and stayed for several years. He taught me tensors, and I introduced him to differential forms a la Cartan. Over the years we have had many interesting interactions, and when I discovered the 3-form A^G of electromagnetic spin (1974) I know that he finally believed in the Cartan topological formulation of Electro-magnetism.
Jan went on to use the deRham theory to predict in 1980 the rational
fraction Hall effect, and yet his publications - two years before the
experiments - are never referenced, for he was not, and never will be, a member
of the "everything must be quantum mechanics according to Copenhagen" clique
that so dominates much of modern physics thinking. He keeps publishing several
articles a year about the foundations of QM and applications of the topological
view of Physics. One of his latest works is on "Quantum
Reprogramming" from Kluwer.
Some of his latest writings in Adobe 3.01 pdf file format are:
The Unreasonable Persistence of Questionable
Physical Doctrine
Mach's Principle in a mixed Newton-Einstein Context
A History of Physics as an Exercise in
Philosophy
A Dutch Uncle's Tirade about Relativity Matters
The Fractional HAll effect and Topology
Copenhagen's Single System is Out of Order
Mathematical Alchemy in Physics.
Physics' Major Boo-Boo of the 20th Century?.
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