Delfín Gallo was an Argentine

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

 politician and journalist.

He was born in San Miguel de Tucumán to a family with connections to the Tucumanian oligarchy, and studied under Amédée Jacques

Amédée Jacques

Amédée Jacques , often known as Amadeo, was a Franco-Argentine pedagogue and philosopher and one of the most prestigious educators of his time.-Biography:...

 at the Colegio San Miguel.

In 1867, he received a license to practice law in Buenos Aires

Buenos Aires

Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

. He later pursued a career in journalism in publications such as La Prensa, El Nacional, and SudAmérica, which he founded along with his brother in law Carlos Pellegrini

Carlos Pellegrini

Carlos Enrique José Pellegrini Bevans was President of Argentina from 6 August 1890 to 12 October 1892....

 and Lucio V. López.

He represented Tucumán as a national deputy from 1872 to 1876 and from 1884 to 1888; between 1876 and 1884, he represented Buenos Aires. A great parliamentary orator, he is remembered especially for his vigorous condemnation of the overthrow of Tucumanian governor Juan Posse in 1887. He served as undersecretary of justice and public education during the administration of Nicolás Avellaneda

Nicolás Avellaneda

Nicolás Remigio Aurelio Avellaneda Silva was an Argentine politician and journalist, and president of Argentina from 1874 to 1880. Avellaneda's main projects while in office were banking and education reform, leading to Argentina's economic growth...

. He sat on the board of directors of the Western and Pacific Railroads, and presided over the National Real-estate Bank.

On September 1, 1889, during the run-up to the Revolution of the Park

Revolution of the Park

The Revolution of the Park was an uprising against the national government of Argentina that took place on 26 July 1890 and started with the takeover of the Buenos Aires Artillery Park. It was led by members of the Civic Union against the presidency of Miguel Juárez Celman...

, Gallo spoke at the great meeting of the Jardín Florida, which gave rise to the Civic Youth Union

Civic Youth Union

The Civic Union of the Youth was a youth-oriented Argentine political party founded on September 1, 1889 and dissolved on April 13, 1890 with the establishment of the Civic Union...

. Less than four months later, he died in Buenos Aires.