Ferdinand Klitzing 1807–1883 Source: Wikimedia Commons People from the Same Era Rafael Rivero de la Tixera 1800–1881 politician Jerez de la Frontera Gustav Woldemar Focke 1810–1877 botanist, naturalist, physician Bremen Heinrich Hahn 1800–1882 physician, politician Aachen Theodolph Girard de Soucanton 1812–1878 Friedrich Clemens Gerke 1801–1888 engineer, journalist, writer Osnabrück Antonín Jaroslav Vrťátko 1815–1892 editing staff, librarian, teacher, writer Benátky nad Jizerou