Painter in oil and printmaker, born and lived in London, brother of the artist Paul D’Aguilar, educated privately in France, Italy and Spain. D’Aguilar studied at Royal Academy Schools, 1948–53, teachers including Bernard Fleetwood-Walker and William Dring. There he won the Armitage and silver medal, 1949, as well as several Royal Drawing Society medals. He showed in mixed exhibitions at RA, NEAC, Young Contemporaries and Leicester Galleries, work distinguished by a rich palette, also having solo exhibitions at New Grafton Gallery, Gimpel Fils and Bruton Street Gallery, 2001.