Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related technologies today.The Copernicus of Antiquity (Aristarchus of Samos) by Sir Thomas Little HeathAuthor: Heath, Thomas Little, Sir, 1861-1940,Language: English, Class: QB: Science: Astronomy, Release Date: Dec 19, 2018