 He had in particular adopted from Giulio Cesare Procaccini the close attention to the handling of light and shadow as well as the careful study of facial expressions.Other early influences include Daniele Crespi and Francesco Cairo.His first signed and dated work, the "Miracle of St Martha" (1636, Venegono Inferiore, Seminario Arcivescovile) also shows the influence of Morazzone.