Bernal Díaz del Castillo (1492–1584) was a foot soldier in the army of Mexico's conqueror Hernán Cortés, and participated in the campaigns that led to the fall of the Aztec empire …
Alexander von Humboldt (1769–1859) was one of the most respected scientists of his time; Darwin called him 'the greatest scientific traveller who ever lived'. From 1799 Humboldt …