1781-1868, natural philosopher and academic administrator, Scottish; British Brewster, Sir David 1781 - 1868
1781-1873, instrument maker; artist; optical inventor, English; British Varley, Cornelius 1781 - 1873
1779-1903, foundry; manufacturer of beam engines, Hayle, England Harvey and Company Limited 1779 - 1903
1780-1872, polymath; science writer; mathematics expositor, British Somerville, Mary Fairfax 1780 - 1872