What were Ben Franklin's contributions outside politics?

Outside of politics, Benjamin Franklin made significant contributions to science, particularly in electricity, where he conducted groundbreaking experiments and invented the lightning rod. He was also an accomplished inventor, creating items such as the Franklin stove and bifocal glasses. Additionally, Franklin was a prolific writer and founded the first public library in America, promoting education and literacy. His work in establishing the first insurance company and a volunteer fire department further demonstrated his commitment to civic improvement.