Benjamin Franklin was an American statesman, author, printer, scientist, inventor, and diplomat. He was born in 1706 and died in 1790. Franklin made important scientific contributions to the understanding of electricity and invented numerous appliances, including the lightning rod, bifocals, and the Franklin stove. In his later years, he played a pivotal role in the founding of the United States as a delegate to the Constitutional Convention and advocate for the abolition of slavery.