"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.
"'No Immortality of the Soul' says Thomas A. Edison. In Fact, He Doesn't Believe There Is a Soul - Human Beings Only an Aggregate of Cells and the Brain Only a Wonderful Machine, Says Wizard of Electricity". New York Times, October 2, 1910.