Explorers with Humboldt's expedition at the basalt cliffs at Regla Size:Large: 7 x 5in Illustration from Grundriss einer allgemeinen

Illustration from Grundriss einer allgemeinen Naturgeschichte der radiolarien (zweiter Theil der Monographie der Radiolarien)

and the Earth's Orbit

Plate 5 from the book Icones rerum naturalium

A woman and a young girl looking across the River Thames

Woolwich Royal Dockyard

Explorers with Humboldt's expedition at the basalt cliffs at Regla Size:Large: 7 x 5in Illustration from Grundriss einer allgemeinenExplorers with Humboldt's expedition at the basalt cliffs at Regla, Mexico, c1820 1839. German naturalist and explorer Alexander von Humboldt's (1769 1859) interests included geophysics, geology and botany and he is sometimes called the founder of ecology. He visited Mexico in 1803 1804 during the course of a five year expedition to Latin America. Plate 60 from Le Costume Ancien et Moderne by Jules Ferrario.