| Activity | Author of novels and popular science, educated America and Oxford, professor of Professor of Logic at Queens College, Spanish Town, Jamaica. On leaving Jamaica in 1876 he concentrated on his writings. His scientific writings , in particular the essay 'The Colour Sense' (1879) won him approval from Alfred Russell Wallace, Charles Darwin and Thomas Henry Huxley. He also wrote under the pseudonyms J Arbuthnot Wilson and Olive Pratt Rayner. |