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 Progress of the Marbling Art, from Technical Scientific Principles by HalferAuthor: Halfer, Josef, -1916,Language: English, Class: Z: Bibliography, Library science, Release Date: Oct 30, 2012