Marcelo Hilario del Pilar y Gatmaitán, commonly known as Marcelo H. del Pilar and also known by his nom de plume Pláridel, was a Filipino writer, lawyer, journalist, and freemason. Del Pilar, along with José Rizal and Graciano López Jaena, became known as the leaders of the Reform Movement in Spain.

José Protasio Rizal Mercado y Alonso Realonda was a Filipino nationalist, writer and polymath active at the end of the Spanish colonial period of the Philippines. He is considered a national hero of the Philippines. An ophthalmologist by profession, Rizal became a writer and a key member of the Filipino Propaganda Movement, which advocated political reforms for the colony under Spain.