History of the telephone sent by Morse on January 6, 1838, across of wiring. Credit for the invention of the electric telephone is frequently disputed, and new controversies over the issue have arisen from time to time. Charles Bourseul, Innocenzo Manzetti, Antonio Meucci, Johann Philipp Reis, Alexander Graham Bell, and Elisha Gray, amongst others, have all been credited with the telephone's invention. The early history of the telephone became and still remains a confusing morass of claims and counterclaims, which were not clarified by the huge mass of lawsuits to resolve the patent claims of many individuals and commercial competitors. The Bell and Edison
The Heroic Age of American Invention The Heroic Age of American Invention The Heroic Age of American Invention is a 1961 science book for children by L. Sprague de Camp, published by Doubleday. It was reprinted in 1993 by Barnes & Noble under the title "Heroes of American Invention". By "heroic age" the author means the era of American history in which individual initiative and enterprise constituted the primary thread in technical innovation, roughly from the early 19th century until mass production and corporate enterprise outpaced that of the individual around the time of World War I. The story of innovation is told through the biographies