When the human mind exists in the light of reason and no more than reason, we may say with absolute certainty that Man and all that made him will be in that instant gone.

Read about seeds hieroglyphs on Loren Eiseleylls the Ice Age lost tombs city dumps and primitive Man.

At his death he was Benjamin Franklin Professor of Anthropology and History of Science at the University of Pennsylvania. PubliLoren Eiseleyrs Weekly referred to him as "the modern Thoreau. but a continuation of what the 18th and 19th century British naturalists and Thoreau had done.