A committee under Wyvill was appointed to continue the pressure by correspondence, and the example of Yorkshire was followed by other counties, 25 in all. In the period 1779 to 1781, when there was a delegate conference, the movement gained a broad base. Supporters included John Baynes, Sir Robert Bernard, Newcome Cappe, John Fountayne, Sir James Grant, Thomas Brand Hollis, Sir James Innes-Ker, John Lee, Gamaliel Lloyd, George Montagu, 4th Duke of Manchester, John Smyth, Charles Stanhope, and William Johnson Temple.