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 Untroubled Mind by Herbert J. HallAuthor: Hall, Herbert J. (Herbert James), 1870-1923,Language: English, Class: RA: Medicine: Public aspects of medicine, Release Date: Jul 19, 2007