Josep María Blanquet, the delegate judge of the beatification, said the tribunal of theologians and historians responsible for preparing the documentation has already heard 26 witnesses and hopes to conclude its work by year-end.

The Vatican Congregation for Sainthood Causes authorized the initiation of the cause in March 2000 following a request by Cardinal Ricard María Carles, archbishop of Barcelona.

Gaudí's works include the unfinished Cathedral of the Holy Family in Barcelona.