active 1805-1845, optician, nautical instrument maker, Portsmouth, English Stebbing, George 1775 - 1847
1774-1853, geologist; paleontologist, geographer; vulcanologist, German Buch, Christian Leopold Freiherr von 1774 - 1853
active 1820-1852, optician; optical, mathematical, astronomical & philosophical instrument maker Dollond, George 1774 - 1852
1775-1856, surgical instrument maker & natural philosopher, English Pepys, William Haseldine 1775 - 1856