Giovanni Cambiaso, a painter by profession, was the first to understand the talent and artistic genius of his precocious son Luca: in fact, the boy's youthful production includes numerous Genoese frescoes painted together with his father, his first teacher and later collaborator. Useful for Luca's artistic growth was the comparison with two important contemporary figures; "The virtuous friend" Gaetano Alessi "famous Perugino architect, who in seeing them (Luca's works) so much he liked, and so much in love with that frank brushing, that he wanted to know the author" [Soprani / Ratti p. 80] and the "famous Competitor" Gio. Battista Castello from Bergamo (called i