Background
He was born in Esch-sur-Alzette, and attended primary and secondary school in Esch-sur-Alzette and seminary in Luxembourg and Münster, Germany.
He was born in Esch-sur-Alzette, and attended primary and secondary school in Esch-sur-Alzette and seminary in Luxembourg and Münster, Germany.
He then became pastor at Saint Cuningundis Parish in Clausen, and also served as National Director for the Catholic Action of Children in Luxembourg and the Pontifical Mission Aid Society, both 1969-1977. From 1977, Franck was Secretary General of the Society for the Propagation of the Faith at the Vatican and served as Secretary General of the Society of Saint Peter the Apostle in Rome from 1988. His mission led him to visit many countries across every continent.
Pope John Paul II appointed him Archbishop of Luxembourg on 21 December 1990 and was ordained a Bishop on 2 February 1991 at Notre-Dame Cathedral in Luxembourg City.
His motto Ut unum sint, (English: that they may be one, (John 17: 11) has inspired his pastoral leadership and his constant dedication to both the local and central Church. Sacred Heart University, which operates an overseas campus in Luxembourg, recognised his outstanding leadership and his ongoing support of the laity in the Church by offering him a Doctorate in Humane Letters, honoris causa in 2003.
In conjunction with these offices, he was also named Ecclesiastical Counsellor at the Embassy of Luxembourg at the Holy See (from 1981) and was a member of the Pontifical Council for Social Communications at the Vatican. He serves on different European Episcopal Commissions and is a member of the Pontifical Council for Social Communications since 1999.