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
c. 1778-1863, inventor of typesetting machine and steam carriage, active UK, American Church, William 1778 - 1863
active early 1800s, die-engraver; manufacturer of buttons; manufacturer of medals; manufacturer of tokens; medallist, British Halliday, Thomas 1780 - 1855
active, 1810-1837, optician, mathematical & philosophical instrument maker, Dublin, Ireland Mason, Thomas 1781 - 1837