Scientific and philosophic production in Catalan is an important aspect of Catalan culture and there's important figures deserving mention in this page. A large proportion of the production by these figures was originally written in Spanish, but the Catalan origin of the authors makes it fall under the category of Catalan science and philosophy.
Science:
Associació Catalana de Comunicació Científica
Philosophy:
Catalan Thinkers -List Compiled by the Generalitat de Catalunya
Catalan Trends -List of trends of thought compiled by the Generalitat de Catalunya
FiloXarxa: Autors, Conceptes, Textos -Catalan dictionary of philosophers, concepts, and texts
Filòpolis -Philosophy in Catalan for beginners
Filoètica -Philosophy and Ethics in Catalan for beginners
Pensadors -Alphabetic list of Catalan philosophers
Group IREF -Group for Innovation and Research in Philosophy Teaching
Historia de La Filosofia -History of Philosophy in Catalan
Ramón Llull (1232-1316)
Jaume Balmes (1810-1848)
Eugeni d'Ors (1881-1954)
Josep Ferrater i Mora (1912-1991)
Eugenio Trías (1942-2013)