Teresa Abelló analyses here an aspect of Barcelona's socio-cultural life in the period that goes from the first to the Second World War. She concentrates her attention on a new model of working-class leader that have promoted a clear cut with XIX century internationalist leading manual workers. The new manners embodied on the person of Salvador Seguít, he General Secretary of the anarchosyndicalist CNT. Abelló points aout at the same time . the relationship between these new social habits and the cultural avantgardes of the moment -either literary, pictoria or artistic in general.