Croation cardinal; archbishop of Zagreb; Prefect of the Congregation for the Doctrine of the Faith.
 
TLS - Typewritten Letter Signed, one page, 1960, untranslated German. Friendly letter to a gentleman recalling their first visit. Nice example.
 
Seper's early career was as private secretary to the Archbishop of Zagreb. In 1941 he was appointed rector of the archdiocesan seminary a post he held for the next decade. In 1954 he was named coadjutor archbishop of Zagreb. In 1968, Seper was appointed Prefect of the Congregation for the Doctrine of the Faith. He was the author of the document Mysterium Ecclesiae, which was written in order to re-orient the ecclesiology of the post-Vatican II period. Seper also was the president of the International Theological Commission from its inception in 1969. In 1976, Seper was responsible for authoring the statement Inter Insigniores, which firmly rejected the ordination of women in the Catholic Church.
 
Seper is buried beside his predecessor Cardinal Stepinac in Zagreb.