The travails of the third century, characterized by a profound social crisis in the Roman Empire, shaken by civil wars and constant invasions, inevitably affected the Italian family, beginning with the descendants of Numa, the imperial legate who won countless battles and would be the last witness of the Severan dynasty. In the darkest period of Rome's thousand-year history, amid usurpers and the end of patrician rule, there were key figures capable of averting collapse and restoring new hope to a system that, with appropriate modifications, would achieve the incredible feat of integrating new peoples and emerging religions without losing its own identity. The landscape of looming enemies is characterized by the example of two peoples: the Alemanni and the Goths, who, more than any other, threatened Rome throughout the century.

Simone Malacrida (1977)
Ha lavorato nel settore della ricerca (ottica e nanotecnologie) e, in seguito, in quello industriale-impiantistico, in particolare nel Power, nell'Oil&Gas e nelle infrastrutture. E' interessato a problematiche finanziarie ed energetiche. Ha pubblicato un primo ciclo di 21 libri principali (10 divulgativi e didattici e 11 romanzi) + 91 manuali didattici derivati. Un secondo ciclo, sempre di 21 libri, è in corso di elaborazione e sviluppo.