Manuel S. Guerrero
Manuel S. Guerrero (8 January 1877 – 4 January 1919) was a Filipino medical doctor who studied beriberi in infants in the Philippines. Guerrero was born in Ermita, Manila then became part of the Captaincy General of the Philippines on 8 January 1877. He achieved a Bachelor of Arts degree at the Ateneo Municipal in the year 1894 and a Doctorate on Medicine at the University of Santo Tomas in 1902. He was also a writer for the publications ""La Republica Filipina", "La Independencia", and "La Patria"". in addition he was a staff member of the "Revista Filipina  de Medicina y Farmacia". Guerrero was also a member of the Colegio Medico-Farmaceutico, Asamblea de Medicos y Farmaceuticos de Filipinas, and the Sanggunian ng Kalusagan. He was also one of the founders of t La Infancia and Gota de Leche. Guerrero was also conferred with a silver medal at the Louisiana Purchase Exposition and the Panama Pacific Exhibition.