[1] From an early age he was the author of popular prose passages, poems and essays, some of which were published in the magazine "Fiera letteraria".

[2] After completing his humanistic studies (gymnasium and classical high school) respectively in the seminaries of Bertinoro and Bologna, where he adds the four years in theology, Costante Maltoni was ordained a priest on June 26, 1938 in Forlimpopoli in the Church of S.

[3][2] Together with the Marquis Gianraniero Paulucci and Silvio Corbari, in his home in Via Monte Grappa in Forlimpopoli he elaborates the insurrectionary communiqué to the Italians entitled "Movimento Patriottico Giovane Italia", of which the family still retains the original document.

[6] He was nominated as Councilor of the Nunciature and directed relations between the Vatican and international organizations in Geneva (1961),[2] then became a delegate of the Holy See at the High Commissioner for Refugees O.N.U.

He returned to Italy (1970) for serious health reasons and remained there until his death in Rome (1980) which occurred due to a cardio-circulatory collapse with positions of Vatican Secretariat of State.