Here is the official answer accoring to the United States Treasury itself: “Why were certain individuals chosen to be pictured on our paper currency? As with our nation's coinage, the Secretary of the Treasury usually selects the designs shown on United States currency. read more
United States currency notes now in production bear the following portraits: George Washington on the $1 bill, Thomas Jefferson on the $2 bill, Abraham Lincoln on the $5 bill, Alexander Hamilton on the $10 bill, Andrew Jackson on the $20 bill, Ulysses S. Grant on the $50 bill, and Benjamin Franklin on the $100 bill. read more
Although he was born in Boston, the city of Philadelphia is remembered as the home of Ben Franklin. In Philadelphia, you can find both Ben's gravesite and the Benjamin Franklin National Memorial. You'll also find The Franklin Institute Science Museum. read more