06/02/1927 American physicist Gerard O'Neill is born
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Terasem 02 O'Neill Space colony
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Future Space Colonies that Never Happened
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Gerard K. O'Neill: The Vision Uncut
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Island 3
He invented particle storage ring, a device used in high-energy physics to store particle beam for many hours. His other invention was the magnetic catapult for non-rocket space launch. He proposed a new design for a space colony called now the O'Neill cylinder. O'Neill proposed colonization of space for the 21st century.