The series Atenas, Ruinas y Diablillos are his first works from around 1952, five years later his first one-man exhibition at the Sala Alfil in Madrid. Villalba studied at the Academia de Bellas Artes de San Fernando. Since then many exhibitions and participation in exhibitions at national and international museums in Boston and Paris followed.
His works are owned by renowned national and international museums and private collections worldwide.
Gallery Hasenclever showed his work in an fascinating exhibition in 1992 (catalogue).