"Makers of the Modern World : The Lives of Ninety-two Writers, Artists, Scientists, Statesmen, Inventors, Philosophers, Composers, and Other Creators who Formed the Pattern of Our Century". Book by Louis Untermeyer, 1955.
Thomas A. Edison's statement to a reporter during the first public demonstration of his incandescent (December 31, 1879), as quoted in Chris J. Magoc "Chronology of Americans and the Environment" (p. 46), 2011.