Smith-Stanley, Edward George Geoffrey (14th Earl of Derby)
1799-1869.
English statesman, three times Prime Minister of the United Kingdom, and to date the longest serving leader of the Conservative Party. He was known before 1834 as Edward Stanley, and from 1834 to 1851 as Lord Stanley. Full Wikipedia article.
23.viii.58, 18.xi.58, 20.xi.58, 10.v.59, 25.xi.59, 29.xi.59, 26.x.60, 10.xi.60, 3.iii.61, 6.x.61, 25.xi.61.