 He earned a degree in Applied Arts from Castello Sforzesco.After collaborating as an illustrator to the magazines "Grazia" and "Confidenze", Tacconi entered the comics field after World War II, debuting with the comic series "Sciuscià" and later working on a number of comics in Italy, France, and the United Kingdom.His main works included "Gli Aristocratici", which he co-created with Alfredo Castelli, "L'uomo del Deserto", "L'uomo di Rangoon", "Dylan Dog" and "Nick Raider".