Benjamin Disraeli , 1st Earl of Beaconsfield , KG , PC , FRS , ( 21 December 1804 - 19 April 1881 ) was a British Conservative politician , writer , aristocrat and dandy who twice served as Prime Minister .
Benjamin Disraeli , 1st Earl of Beaconsfield ( 21 December 1804-19 April 1881 ) , born Benjamin D'Israeli , was a British politician .