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Enric Sagnier i Villavecchia (Catalan pronunciation: [ənˈrik səŋniˈe]; 1858 in Barcelona – 1931) was a Catalan architect.
Although now not as well known as his contemporaries Antoni Gaudí, Lluís Domènech i Montaner and Josep Puig i Cadafalch, he was responsible for a number of landmark buildings, was very prolific, and could turn his hand to many styles, including neo-Gothic, neo-Baroque and Modernista. He qualified as an architect in 1882, and one of his earliest works, together with Josep Domènech i Estapà, was the Palau de Justícia in Barcelona.
Other well-known buildings by him in Barcelona are the Caixa de Pensions building in the Via Laietana, the New Customs House (Duana) and the church on the Tibidabo.

General info from Wikipedia.org