Pierre Desmet

Pierre-Jean De Smet (30 January 1801 – 23 May 1873), also known as Pieter-Jan De Smet, was a Belgian Catholic priest and member of the Society of Jesus (Jesuits), active in missionary work among the Native American peoples of western North America in the mid-19th century, in the midwestern and northwestern United States and western Canada.His extensive travels as a missionary were said to total 180000 mi. He was known as the Friend of Sitting Bull, because he persuaded the Sioux war chief to participate in negotiations with the United States government for the 1868 Treaty of Fort Laramie.

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