Complex sentence: Adolf Grabowsky (August 31,1880, Berlin--August 23,1969, Arlesheim, Switzerland) was a German political scientist and author of several books about geopolitics and political theory, including "Democracy and Dictatorship" (1949).
Split into simpler sentences: Adolf Grabowsky (August 31,1880, Berlin--August 23,1969, Arlesheim, Switzerland) was a German political scientist. Autor of several books of geopolitics and political theory, including "Democracy and Dictatorship" (1949).