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.Pittsburgh Main Thoroughfares and the Down Town District by Frederick Law OlmstedAuthor: Olmsted, Frederick Law, 1870-1957,Language: English, Class: NA: Fine Arts: Architecture, Release Date: Sep 15, 2015