His military influence was praised by Harry Pollitt, General Secretary of the Communist Party of Great Britain (CPGB) during his speech at a Unity Campaign meeting 15 March 1937 in Liverpool: "One day we shall tell our children about the defense of Madrid, this epic story that can never die in the pages of World History. I think of Jock Cunningham leading his men fearlessly and unafraid…dancing with death. A word of encouragement here...ceaselessly moving among his men until everyone has become influenced with the mighty unconquerable spirit of a worker blessed with a fiery hatred of Fascism…this is Jock Cunningham.
His military impact was lauded by Harry Pollitt, General Secretary of the CPGB, during his speech at a Unity Campaign meeting on March 15, 1937 in Liverpool: "One day we shall tell our children about the defense of Madrid, this epic story that can never die in the pages of World History. I think of Jock Cunningham leading his men fearlessly and unafraid…dancing with death. A word of encouragement here...ceaselessly moving among his men until everyone has become influenced with the mighty unconquerable spirit of a worker blessed with a fiery hatred of Fascism…this is Jock Cunningham.