He was a law professor in the University of the Philippines, University of Santo Tomás, University of the East, University of Manila, Arellano University, FEU, Manila Law College, Philippine Law School, San Beda College and Quezon College.
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He is more well known as the father of the Philippine “archipelagic doctrine” and expert on the Law of the Sea.
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He was chosen by Ferdinand Marcos as his vice-presidential running mate for the February 7, 1986 snap elections.
Arturo Toscanini | Arturo Sandoval | Arturo Frondizi | Arturo Gatti | Tolentino | The Resistible Rise of Arturo Ui | Arturo Pérez-Reverte | Arturo Benedetti Michelangeli | Arturo Ripstein | Arturo O'Farrill | Niccolò da Tolentino | Arturo Jauretche | Arturo Herrera | Arturo Beltrán Leyva | ''Nicholas of Tolentino'', Pietro Perugino | Francis Tolentino | Battle of Tolentino | Arturo Vega | Arturo Umberto Illia | Arturo Morua | Arturo Merzario | Arturo Martini | Arturo Márquez | Arturo Lezama | Arturo de Córdova | Arturo Castro | Arturo Bocchini | Arturo Armando Molina | Arturo Alessandri | Treaty of Tolentino |