Thomas Jefferson wore the first pedometer

Yes, that Thomas Jefferson. While walking through the streets of Philadelphia, and later at his home in Monticello, Thomas Jefferson never stopped his pursuit of knowledge. Jefferson was someone who loved to measure things. So, after the tools were available to make a measurement device to track his steps, Jefferson went about making the first pedometer. He took so much pleasure in this device that he sent one to James Madison in 1788 with instructions on how to customize it.