Biography of the Catalan activist and intellectual Enric Arderiu Valls (Linyola, 1868 – Lleida, 1920). It is a diverse work by 12 authors that goes into detail about the character. The biography is divided into two parts, his personal life and his public life, as a professional and as an activist.
He was an archivist and librarian in the state administration and a teacher in different areas (school, secondary and education). Arderiu is above all a Catalanist who evolves towards separatism and very close to Francesc Macià. Arderiu begins in a Catalan entity in Lleida and ends in the governing body of the Nationalist Democratic Federation, the first party of Macià. As a result of this militancy, he suffered reprisals and was expelled from the public service for a few years. This leads him to direct the Catalan newspaper La Renaixensa. Precisely, the press and the interest in the communication of his ideas makes him participate in numerous publications. His university training takes him to the paths of research from two areas, which are hiking and as a historian. He is also interested in the Catalan language and in agrarian unionism.