Antonio Alonso Martinez
Martinez was born in Oeiras, Portugal, in 1963, to Spanish parents. He opted for Spanish nationality in 1978. In Lisbon, he attended Centro de Arte e Comunicação Visual (Ar.Co) where he graduated in Fine arts in 1985. During his years at the Ar.Co, Martinez co-authored the Manifest of the Multi-instrumentalist Painting which was  published in the Portuguese national newspaper, Jornal de Letras, Artes e Ideias on 26 June 1984. This manifest was accompanied by an exhibition at the University of Fine Arts of Lisbon, creating enthusiasm among the new artists and critic.