Koko Trinidad was considered the "Father of Philippine Radio". He started as a radio announcer in the 1920, the first Filipino to be so designated, after which he was promoted as general manager of the country's government broadcasting network in the 1960s. He protect his stations from political interference and resisted efforts from different sectors to use his stations for propaganda. The program concentrated on public service and educational shows which he patterned after the British Broadcasting Corporation. He used his station to air instructional programs for the classroom nationwide in cooperation with the Bureau of Public Schools and one of his stations also aired the proceedings of Congress and the Senate. After retiring from broadcasting, he became a professor at the UP Institute, now College, of Mass Communication, where he helped develop new breed of broadcasters.
"Philippine radio's top innovators honored." Inquirer, 01 January 2000. http://www.inquirer.net/saturday/jan2000wk1/spc_main.htm (accessed on August 09, 2007).