|Political Party:||Nacionalista Party|
|Born:|| January 21, 1883|
|Died:||December 19, 1964|
|Spouse:|| Juana Santiago|
Eulogio "Amang" Adona Rodriguez, Sr. (January 21, 1883–December 19, 1964) was a Filipino politician, the longest serving Senate President after Manuel L. Quezon, serving the post from April 30, 1952 to April 17, 1953 and May 20, 1953 to April 5, 1963.
Rodriguez was born in Montalban (renamed Rodriguez in his honor), Distrito de Morong on January 21, 1883 to Petronilo Rodriguez and Monica Adona. He first studied at the Spanish-run public school in Montalban, then took his secondary course at the Colegio de San Juan de Letran in Manila, where he completed his Bachelor of Arts in 1896. He then studied law under a private tutor.
“Amang” started his career in politics as a Democrata or a member of the opposition party, and not until there was a general realignment of parties due to the divisive struggle over the approval of the Independence Law in 1933, did he switch to the majority or the Nacionalista Party, to which he remained faithful until the day of his death three decades later. He nursed the party during its darkest hours, and steered it successfully through the political reefs and typhoons that rocked the local scene, thus earning for him the sobriquet “Mr. Nacionalista”. Unlike so many others, he did not switch parties for personal convenience.
As a legislator, he always supported measures improving the lot of common man, for he knew that the upgrading of the masses was the best way of retaining democracy in the country. Many were sometimes politically at odds with him, but they always found him to be a reasonable opponent who played clean in a game known for its mendacity and unpricipled moves. A man of integrity, who played fair even with his opponents, and who could be generous in victory, Eulogio “Amang” Rodriguez was a man, a politician and a public official of sterling attributes.
He had seven children by his first wife, Juana Santiago, namely Eulogio, Jr., Jose, Ruperto, Leonor, Isidro, Constancio and Adelaida. With his second wife, Luisita Canoy, he had three children, namely, Baby, Linda and Rafael.