If this entry doesn't assemble the work of two authors of this name he resided in the 1970s in Mannheim, Baden-Württemberg, West Germany, and from 1979 on and in the early 1980s in Weinheim, Baden-Württemberg, West Germany
If this entry doesn't assemble the work of two authors of this name he resided in the 1970s in Mannheim, Baden-Württemberg, West Germany, and from 1979 on and in the early 1980s in Weinheim, Baden-Württemberg, West Germany