Who was Father Junipero Sierra?

Father Junipero Serra was the missionary who founded the first nine mission in California. These missions were Mission San Diego de Alcalá, Mission San Carlos Borroméo de Carmelo, Mission San Antonio de Padua, Mission San Gabriel Arcángel, Mission San Luis Obispo de Tolosa, Mission San Juan Capistrano, Mission San Francisco de Asís, Mission Santa Clara de Asís, and Mission San Buenaventura.