Having had lives, in a way, parallel: of early artistic vocation, born both in families that reserved other destinations, both fleeing to Leiden and Amsterdam one, to Rotterdam and Paris another, places of freedom and debauchery, both with successful careers not without shadows and excesses, Kees van Dongen (1877-1968) helps us to understand the deep sense , painful and radiant from the work of Rembrandt (1606-1699).