Outside of diplomatic plenipotentiaries, some permanent administrators are also given plenipotentiary powers. In faith whereof the plenipotentiaries have signed the present Treaty. The British plenipotentiaries were Disraeli, Salisbury and Lord Odo Russell. Most designated plenipotentiaries were prime ministers and foreign ministers. At the end the plenipotentiaries signed the Treaty of Berlin. Collins and Griffith in turn convinced the other plenipotentiaries to sign the treaty. The Pope arranged for three cardinals to visit Chinon as his plenipotentiaries. In 1673 he was one of the French plenipotentiaries to the Congress of Cologne. He was one of the French plenipotentiaries at the Berlin Congress (1878). IN WITNESS WHEREOF the undersigned Plenipotentiaries have signed this Treaty. It is made up of Plenipotentiaries of the member countries. In 1856 he was one of the plenipotentiaries who concluded the peace of Paris. In 1856 he was one of the plenipotentiaries who concluded the Peace of Paris.