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Edwin Albert Link (July 26, 1904 – September 7, 1981) was an American inventor, entrepreneur and pioneer in aviation, underwater archaeology, and submersibles. He invented the flight simulator, which was called the "Blue Box" or "Link Trainer". It was commercialized in 1929, starting a now multibillion-dollar industry. In total, he obtained more than 27 patents for aeronautics, navigation and oceanographic equipment.