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.Ideen zu einer Physiognomik der Gew?chse by Alexander von HumboldtAuthor: Humboldt, Alexander von, 1769-1859,Language: German, Class: QK: Science: Botany, Release Date: Sep 24, 2007