Complex sentence: Lüttwitz, therefore, was the driving force behind the 1920 putsch, even though its nominal leader was Wolfgang Kapp, a 62-year-old East Prussian civil servant and fervent nationalist.
Split into simpler sentences: Lüttwitz, therefore, was the driving force behind the 1920 putsch. Its nominal leader, though, was Wolfgang Kapp, a 62-year-old East Prussian civil servant and fervent nationalist.