Marcelo del Pilar was an outspoken critic of the Spanish authorities in the Philippines. In 1889, he moved to Spain where he became part of the Reform Movement formed by expatriate filipinos such as Jose Rizal and Mariano Ponce. Del Pilar became the editor of La
Solidaridad, the movement's newspaper On July 4, 1896, Del Pilar died of tuberculosis in Barcelona.
Leaders of the reform movement in Spain:
Jose Rizal, Marcelo del Pilar, and Mariano Ponce
The Marcelo del Pilar defintive stamp was issued on September 23, 1963.