Redmond O’Hanlon

The Prussian naturalist Alexander von Humboldt was once the most famous man in Europe bar Napoleon. And if you judge a man by his friends (as you should), how about Goethe, Schiller, Simon Bolivar, Cuvier, Lamarck, Laplace, Guy-Lussac and Jefferson? And that is only the start of the supper list. So what happened? Why is

John Hemming is our greatest living scholar-explorer. He is best known for his extraordinary first book The Conquest of the Incas, published in 1970 when he was 35 — a work of vivid, monumental scholarship that is still unsurpassed. His love for the peoples of the Amazon produced a remarkable historical trilogy: Red Gold (1978),