 Lieutenant @-@ General Sir Brian Gwynne Horrocks , KCB , KBE , DSO , MC ( 7 September 1895 – 4 January 1985 ) was a senior British Army officer . He is chiefly remembered as the commander of XXX Corps in Operation Market Garden and other operations during the Second World War . He also served in the First World War and the Russian Civil War , was a prisoner of war twice , and competed in the 1924 Paris Olympics . Later he was a television presenter , authored books on military history , and was Black Rod in the House of Lords for 14 years . 
