Benjamin Franklin (Benjamin Franklin) (1706-1790) was the United States in the 18th century industrialist, scientists, social activists, thinkers and diplomats.He is the first country to enjoy the reputation of scientists and inventors and musicians. In order to explore power has been well-known "kite experiment" in the electrical significant achievements, in order to exercise power in-depth study of the law, the creation of many of the specific terms such as positive, negative, electrical conductors, batteries, charger, Spark GM to become the world"s vocabulary. He borrowed the concept of positive and negative on mathematics, science and the first to use positive and negative electrical charge that the concept of nature. And can not charge the creation, the eradication can not be thinking of future generations on this basis, found that the law of conservation of charge. He was first put forward the idea of a lightning rod, which manufactured the lightning rod to prevent the disaster struck by lightning, get rid of superstition. He is an outstanding statesman, is the American War of Independence veterans. He participated in drafting the "Declaration of Independence," and the United States Constitution, and actively advocated for the abolition of slavery, deeply respect the people of the United States. He is the first U.S. ambassador (France), so also in the world to enjoy a relatively high reputation