Original: Heinrich Sutermeister ( born Feuerthalen , 12 August , 1910 -- died Vaux-sur-Morges , 16 March , 1995 ) was a Swiss opera composer .
Simplified: Heinrich Sutermeister ( born Feuerthalen , 12 August , 1910 died Vaux-sur-Morges , 16 March , 1995 ) was a Swiss composer .