Benjamin Franklin was not known for being the founder of Princeton University. He was a diplomat, politician and scientist, as prominently he was also one of the leaders of the American Revolution.
He is the author of Poor Richard's Almanac with wise sayings that are still popular throughout the world today. He also started the first subscription library and invented the lightning rod, proven through an experiment using a kite.
As a politician, Franklin was one of America's leading reformers, signing the Declaration of Independence and the American Constitution.
Therefore, the correct alternative is letter b.
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