Alexander Mackenzie
Explorer
Explorer who became the first European explorer to cross North America from East to West above the Mexico border.
He escaped to Canada during the Revolutionary War, and secured a position with a fur trading company.
Near the completion of his journey, he left an inscription on a rock with his name and the date. That rock is now their.
He was born into a prosperous merchant family.
His expedition took place a full ten years before that of Merriwether Lewis and William Clark.