Aureliano Oyarzún Navarro (b. 1858 – d. 1947) was a Chile

Chile

Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

an physician, who succeeded Francisco Puelma Tupper as professor of pathology

Anatomical pathology

Anatomical pathology or Anatomic pathology is a medical specialty that is concerned with the diagnosis of disease based on the gross, microscopic, chemical, immunologic and molecular examination of organs, tissues, and whole bodies...

 in the medical school of University of Chile in 1891 because of the Chilean Civil War

Chilean Civil War

The Chilean Civil War of 1891 was an armed conflict between forces supporting Congress and forces supporting the sitting President, José Manuel Balmaceda. The war saw a confrontation between the Chilean Army and the Chilean Navy, which had sided with the president and the congress, respectively...

 of 1891, as Puelma was a supporter of President

President of Chile

The President of the Republic of Chile is both the head of state and the head of government of the Republic of Chile. The President is responsible of the government and state administration...

 José Manuel Balmaceda

José Manuel Balmaceda

José Manuel Emiliano Balmaceda Fernández was the 11th President of Chile from September 18, 1886 to August 29, 1891. Balmaceda was part of the Castilian-Basque aristocracy in Chile...

.

His office was later taken over by Emilio Croizet. He also participated in the War of the Pacific

War of the Pacific

The War of the Pacific took place in western South America from 1879 through 1883. Chile fought against Bolivia and Peru. Despite cooperation among the three nations in the war against Spain, disputes soon arose over the mineral-rich Peruvian provinces of Tarapaca, Tacna, and Arica, and the...

 and the Chilean occupation of Lima

Occupation of Lima

The Occupation of Lima by the Chilean Army was an event that happened during the War of the Pacific in 1881.Lima was defended by the remnants of the Peruvian army and crowds of civilians in the lines of San Juan and Miraflores...

. He also was a researcher of pre-Hispanic Chile and a prolific writer on the matter.