Approach to the vital and historical trajectory of one of the fundamental characters in the history of France, decisive for the centralization of the state and the consolidation of Catholicism throughout the country. Relentless, of an exceptional political and military intelligence and very influential in the reign of Louis XIII, of which he was not a simple prime minister. Crossed out and reputed to be a despot, ambitious, harsh and cruel, perhaps there was some truth in it. Alexander Dumas and his musketeers gave him some visibility.