Benjamin Franklin was one of the signers of the Declaration of Independance. He was also an inventor, printer, scientist, and a publisher. He was noted for the invention of the bifocals aka the first form of glasses and did the famous experiment that harnessed electricity to a key on a kite. With that experiment he discovered the power of lightning and what it could do in it's wake. Many other of his inventions consisted of the first form of a stove, lightning rods to protect people's homes and even swim fins!