2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14203Among the Active Galactic Nuclei (AGN) that have suffered type mutations, the classically classified Seyfert 2 NGC 7582 recently found at a Seyfert 1 stage, is perhaps one of the most puzzling cases, since it defies a well supported case for unification. We investigate the possibility that this type transition, common to other 12 AGN, is driven by supernovae (SN) exploding in a nuclear/circumnuclear starburst.invited talk in the 193 IAU Symp. on `Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies'. eds. van der Hucht et al. Also available at http://www.inaoep.mx/~itziarAstrophysicstext