Complex sentence: Dr. Alexander Frick (February 18,1910--October 31,1991) was the Regierungschef (head of government) of Liechtenstein from September 3,1945 until July 16,1962, serving as a member of the Progressive Citizens' Party.
Split into simpler sentences: Dr. Alexander Frick (February 18,1910--October 31,1991) was a political figure from Liechtenstein. He was the Regierungschef (head of government) of Liechtenstein from September 3,1945 until July 16,1962, serving as a member of the Progressive Citizens' Party.