He, Trumbić and Meštrović started the action to free Croats, Serbs and Slovenians from Austro-Hungary and unite them with Serbia and Montenegro.
After 1849 the home of the Pucić brothers became the gathering center of Dubrovnik's intelligentsia, often being attended by Mato Vodopić among others, including Medo Pucić, Niko Pucić, Antun Kaznačić and his brother August Kaznačić, Antun Paško Kazali, Mato Natali, Pero Marinović, Marin Giorgi, Bishop Frano Ucellini-Tice of Kotor, Ivo Vojnović, Frano Supilo, Milorad Medini, and Dragutin Pretner.