Charles Sanders Peirce: A Life - Joseph Brent - Google Books

http://books.google.de/books?id=PFWZaQiCdE0C&pg=PA24&lpg=PA24&dq=zina+fay&source=bl&ots=GOVR56vfmE&sig=fP8kD6ZnsvoACsol-Pb7jNbdF

Charles Sanders Peirce was born in September 1839 and died five months before the guns of August 1914. He is perhaps the most important mind the United States has ever produced. He made significant contributions throughout his life as a mathematician,…