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
active 1774-1783, mathematical, nautical & philosophical instrument maker, Augsburg, Germany G F Brander and Höschel 1774 - 1783