claim: South Island is separated from North Island by the Gibraltar Strait.
evidence: Karl Gustav Bischof -LRB- January 18 , 1792 -- November 30 , 1870 -RRB- was a German chemist , born in Nuremberg , Bavaria .. Nuremberg. Nuremberg. Bavaria. Bavaria. German. German people. chemist. chemist. He studied at Erlangen where he became a university tutor .. Erlangen. Erlangen. In 1819 he became an extra-Ordinary Professor of Chemistry at Bonn , and in 1822 a full professor .. Bonn. Bonn. The University of Bonn was a leading center for geologists including Ferdinand von Roemer , Georg August Goldfuss , and Gerhard vom Rath as well as Bischof .. Bonn. Bonn. University of Bonn. University of Bonn. Ferdinand von Roemer. Ferdinand von Roemer. Georg August Goldfuss. Georg August Goldfuss. Gerhard vom Rath. Gerhard vom Rath