Complex sentence: He left for Mainz, Germany immediately following graduation on a scholarship to attend Johannes Gutenbeg University of Mainz, and got a diploma in Mathematics (Diplom Vorexamen) in 1963.
Split into simpler sentences: He left for Mainz, Germany immediately following graduation on a scholarship to attend Johannes Gutenbeg University of Mainz. He obtained a graduate diploma in Mathematics (Diplom Vorexamen) in 1963.