Benjamin Franklin, the democrats during American bourgeois revolution period and famous American scientist, politician and writer in eighteenth century, established the first touring library in North America in 1731, organized the American Philosophy society in 1743,assisted in the foundation of University of Pennsylvania in 1749. In the independence war against the Britain, he was elected as the delegate of the continental congress and participated in the draft of the Declaration of Independence. He stayed in France as an envoy from 1776 to 1785 and set up ties between France and America in 1778. As the representative of the constituent assembly, he proposed to abolish slavery in 11778. He made great achievements in the research of atmospheric electricity and invented the lightening conductor. With vivid and true content, cordial and simple touch, this book describes the hard time from a pressman to a scientist and politician, which is enlightening and encouraging. The most precise...

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