Complex sentence: He was born in Fiume (now Rijeka, Slovenia), in 1908, when it was part of the Austro-Hungarian empire had qualified in medicine in Munich and then worked with Straub, the leading German pharmacologist of the time.
Split into simpler sentences: He was born in Fiume (now Rijeka, Slovenia), in 1908, when it was part of the Austro-Hungarian empire. He qualified in medicine in Munich and then worked with Straub, the leading German pharmacologist of the time.