Even during the midst of Michelangelo Merisi da Caravaggio’s meteoric Roman career, questions were raised concerning the singularity and originality of his manner and its impact upon young artists of his own generation. In fact, it was Caravaggio himself, Carlo Cesare Malvasia reports, who was the first to ask why artists adopted his manner, pressing to know to what end Guido Reni had transformed himself into the Lombard painter after seeking out Caravaggio’s paintings for...