Josiah Gregg

Best known for Commerce of the Prairies, he was an American merchant, explorer, and author whose journeys along the Santa Fe Trail helped document everyday life, trade, landscapes, and politics across the Southwest and northern Mexico. His writing became an important early account of a region that many readers in the United States knew only vaguely.

Born in 1806, he first went west for his health and soon became deeply involved in overland trade. Along the way he recorded not just routes and markets, but also customs, settlements, and the natural world, bringing together the eye of a businessman, traveler, and field observer.

Later travels took him farther into the West, including California, and his plant collecting also earned him notice as a naturalist. Though he died in 1850, his work remains valuable for anyone interested in the borderlands, western exploration, and the lived reality behind the old trade routes.