Complex sentence: Döpfner was ordained to the priesthood on October 29,1939 by Archbishop Luigi Traglia, and then finished his studies at the Pontifical Gregorian University, from where he obtained a doctorate in theology in 1941, writing his dissertation on John Henry Cardinal Newman.
Split into simpler sentences: Döpfner was ordained to the priesthood on October 29,1939 by Archbishop Luigi Traglia. He then finished his studies at the Pontifical Gregorian University, from where he obtained a doctorate in theology in 1941, writing his dissertation on John Henry Cardinal Newman.