Paul Rohrbach

Paul Rohrbach (29 June 1869 – 19 July 1956) was a German writer. He mostly wrote about "world politics." He was born at Irgen, Courland, Latvia. Between 1887 and 1896 he attended the universities of Dorpat, Berlin, and Strasbourg. 
He traveled very much in Asia (especially China) and Africa. From 1903-06 he was Royal Commissioner to southwest Africa. His writings include many books on political conditions in the countries he visited.
References.
This article has text from a publication now in the public domain: Gilman, D. C.; Thurston, H. T.; Moore, F., eds. (1905). New International Encyclopedia (1st ed.). New York: Dodd, Mead.