 After the war, he took his seat on the Liberal benches in the House of Lords and in July 1921 he was appointed Under-Secretary of State for Air in the coalition government of David Lloyd George, an office he held until the government fell in October 1922.He was the founder of the (Royal) Army Education Corps in which he enabled the army "to take an immense step forward; the biggest it has ever taken" (Field Marshal Sir Henry Wilson, Chief of the Imperial General Staff).Barnes' autobiography is "One Man...