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The magnitude and lasting relevance of Ehricke’s vision defies description. Developing the Extraterrestrial Imperative concept became his life’s work. He searched from the first stirrings of terrestrial life to the far distant future for evidence of a humanistic relationship between our emerging space capability and the state of mankind. Are there limits to growth? “I’ve been all the way out and back, and found none,” he answered. Is expanding into space really a natural part of man’s evolution? “Yes,” he answered, explaining why in exquisite detail. From there he derived the fundamental philosophy, the utilitarian aspects, and an evolutionary strategy for expansion into space. |