(Lugo, 1954) is Professor of Constitutional Law at the University of Oviedo and director of the Seminary of Constitutional History "Martinez Marina" electronic magazine published by the Constitutional History. His latest books are Constitutions and Basic Laws (2012), The doceanista monarchy (2013), Histoire constitutionnelle comparée et espagnole (Six Etudes) (2013) and Policy and Constitution in Spain: 1808-1978 (2014).