Apostle of the Ottawas, missionary, and explorer, born Saint-Didier-la-Seauve, France, 1622; died near Niles, Michigan, 1689. He entered the Society of Jesus, 1639, and went to Quebec as a missionary in 1660. There he became superior of the Three Rivers Mission, and vicar-general "of all the countries situated toward the north and west." He founded the Mission of the Holy Ghost near Nash, Wisconsin, and other missions, including Saint Francis Xavier at De Pere, Wisconsin, where a monument has been erected to his memory by the State Historical Society. He was one of the first to visit Lake Michigan, naming it "Lake Saint Joseph."