Lucio Victorio Mansilla

Lucio Victorio Mansilla (December 23, 1831 - October 8, 1913) was an Argentinean General, journalist, politician and diplomat. He was later governor of the territory of the Gran Chaco between 1878 and 1879.

His best-known literary work is ''An Excursion to the Ranqueles Indians'', which was the result of a tour he undertook in 1870 through the villages of indigenous peoples. Provided by Wikipedia