Santiago de Masarnau Fernández

Santiago Masarnau y Fernández (9 December 1805 – 14 December 1882; also known as Santiago Fernández de Masarnau or Santiago [de] Masarnau) was a Spanish pianist, composer and religious activist for the poor. He established the Society of Saint Vincent de Paul, an organization composed of laymen dedicated to serving the poor, in Spain. A cause for his canonization has been opened by that society.

Read more about this composer on Wikipedia.