Publisher's Note
In these lectures Dr. Unger addressed an audience familiar with the
works of Rudolf Steiner. The lectures integrate Dr. Unger's
considerable knowledge of modern physics, mathematics, and technology
with his studies of Steiner's works and of course his own
penetrating insight. The reader unfamiliar with Steiner's
works, particularly the basic writings, will find this volume very
challenging and may want to go to writings such as
AN OUTLINE OF OCCULT SCIENCE,
THEOSOPHY,
and
KNOWLEDGE OF THE HIGHER WORLDS
in order to enhance his understanding.
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