Sidney Herbert, 1st Baron Herbert of Lea, PC (16 September 1810 – 2 August 1861) was a British statesman and a close ally and confidant of Florence Nightingale.
Herbert entered the House of Commons as Conservative Member of Parliament for a division of Wiltshire in 1832. Under Robert Peel he held minor offices, and in 1845 was included in the cabinet as Secretary at War, and again held this office from 1852 to 1854, being responsible for the War Office during the Crimean War. He was yet again appointed Secretary at War in 1859, by which time the post had been combined with the office of Secretary of State for War.
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