Saint Louis Bertrand was a Spanish Dominican friar born in 1526 in Valencia, Spain. He is known for his missionary work in the Americas, particularly in South America, where he dedicated his life to spreading Christianity among indigenous populations. His efforts were marked by compassion and a commitment to education. He was canonized as a saint by Pope Clement XI in 1671. Saint Louis Bertrand is often depicted in religious art with a crucifix and is recognized as the patron saint of South America and missionaries. His feast day is celebrated on September 9.