"El Gaucho Martín Ferro" is an epic poem by the Argentine writer José Hernández, which tells the story of a simple gaucho Martin Ferro. A lone fighter against failure, he speaks out against the despotism and abuse he suffers from society. This poem became a symbol of the struggle for freedom and justice, raising the issue of national self-awareness and identity. "El Gaucho Martín Ferro" is a masterpiece that impresses with its skill and depth of poetic images, becoming a classic of world literature.