Silvio Luoni was born in
Busto Arsizio, Italy, on 7 July 1920. He was ordained a priest of the Archdiocese of Milan on 1 October 1944. He joined the staff of the
Secretariat of State in 1950 On 12 September 1966, then a priest of the Diocese of Rome, he was made a
Prelate of Honour of His Holiness, entitled "Monsignor". One focus of his responsibilities at the Secretariat was international organizations of lay Catholics, whose role in supporting the Holy See's participation in international organizations was critical to Pope Paul foreign policy. On 9 July 1969,
Pope Paul VI appointed him Permanent Observer of the Holy See to the Food and Agriculture Organization of the United Nations (FAO) in Rome. On 12 August 1971, Pope Paul appointed him
Permanent Observer of the Holy See to the United Nations in Geneva. On 15 May 1978,
Pope John Paul II named him titular archbishop of Turris in Mauretania,
Apostolic Pro-Nuncio to Thailand, and Apostolic Delegate to Laos, Malaysia, and Singapore. He received his episcopal consecration from Cardinal
Giovanni Umberto Colombo, Archbishop of Milan, on 25 June 1978.
Pope John Paul II named him head of the Vatican delegation to the Madrid conference of the
Conference on Security and Co-operation in Europe (CSCE) in 1980/81. ==References==