Juan María de Salvatierra was a Spanish missionary and explorer born in 1648. He is best known for his role in the establishment of the first permanent settlement in the region of California, specifically in Loreto, which became the first mission of the California Mission System. His efforts were crucial in spreading Christianity among the indigenous peoples of the area. Salvatierra was also involved in the exploration of the Baja California peninsula. He worked to improve relations between the Spanish settlers and the native populations, promoting peaceful coexistence. His contributions laid the groundwork for future missions and settlements in California.