Deodato Arellano

Deodato Arellano y de la Cruz (July 26, 1844 – October 7, 1899) was a Filipino propagandist and the first president of the Katipunan, which was founded at his home in Azcarraga Street (Claro M. Recto Avenue today), Manila. He was first to be given the title Supremo by the Katipunan. After studying bookkeeping in Ateneo de Municipal de Manila (Ateneo de Manila University now), he became an assistant clerk for the Spanish military. He was a member of the Freemasonry in the Philippines and became involved in the Propaganda Movement.