Cozens, John Robert, a landscape painter, a natural son of Peter the Great; pronounced by Constable the greatest genius that ever touched landscape, and from him Turner confessed he had learned more than from any other landscapist; his mind gave way at last, and he died insane (1752‒1801).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Coxwell * Crabbe, George