[1][2] His father, Magí Valls, served on the editorial board of El Matí, a Catholic Catalan newspaper.
[1] He learned the visual arts from the Swiss sculptor Charles Collet and the Spanish painter Jaume Busquets in the 1930s.
[2] He then worked for architects Lluís Bonet Garí, Isidre Puig Boada and Francesc Folguera i Grassi as well as designer Santiago Marco.
[2] In 1946, he was a co-founder of the Cercle Maillol at the French Institute of Barcelona with Charles Collet, Suzanne Alemany, Alfred Figueras and Bernard Sanjuan.
[1] Three years later, in 1984, the Museo de Arte Moderno in Madrid added his 1974 painting, Pêches et pichet to their collection.