Original: William Lamb , 2nd Viscount Melbourne , PC , FRS ( 15 March 1779 24 November 1848 ) was a British Whig statesman who served as Home Secretary ( 1830 1834 ) and Prime Minister ( 1834 and 1835 1841 ) , and was a mentor of Queen Victoria .
Simplified: William Lamb , 2nd Viscount Melbourne ( March 15 , 1779 - November 24 , 1848 ) was a Prime Minister of the United Kingdom .