Keiron K. Gaynor 1812–1897 Source: Wikimedia Commons People from the Same Era Jonatan Warschauer 1820–1888 balneologist, epidemiologist, physician Kraków Carl Ludwig Theodor Brater 1819–1869 journalist, politician, writer Ansbach Gottlob Ludwig Rabenhorst 1806–1881 botanical collector, botanist, lichenologist, mycologist, pharmacist, phycologist, scientific collector Treuenbrietzen Sven Peter Bergman 1806–1878 civil servant, military personnel, politician, surveyor Mayer-Goudchaux Worms 1807–1898 military physician Alexander Tolmer 1815–1890 explorer