Book excerpt: Benjamin Franklin embodied the great American success story. The quintessential polymath, he excelled at, even defined, a number of professions including printer, writer, postmaster, scientist, inventor, public citizen, politician and diplomat. He was a founding father of the United States. He harnessed electricity for practical use. He was the leading satirist of his day. He founded the University of Pennsylvania. He invented bifocals. He was a legendary ladies' man. He was all these things...and so much more.