Original: A member of the Christian Democratic Union of Germany ( CDU ) , she was president of the People 's Chamber of the German Democratic Republic from April to October 1990 and as such the last head of state .
Simplified: Sabine Bergmann-Pohl ( born April 20 , 1946 ) is a German conservative politician who served as the last head of state of East Germany from April 5 to October 2 , 1990 .