San Luis Bertrán was a Spanish priest and missionary born in 1526 in Castile, Spain. He is known for his work in the Americas, particularly in Colombia, where he dedicated his life to evangelizing indigenous communities. He became a member of the Order of Saint Augustine and was recognized for his deep spirituality and commitment to social justice. San Luis Bertrán was canonized as a saint by Pope Clement XI in 1703. His feast day is celebrated on September 9. He is often depicted in art with symbols of his missionary work, reflecting his dedication to spreading Christianity and helping the marginalized.