In letters to his friend the Berlin diarist Karl August Varnhagen von Ense, Alexander von Humboldt writes about his work on Cosmos, scientific colleagues, books, travel and the Prussian court he served. Extracts from Varnhagen’s diaries and letters from others round out a portrait of Humboldt’s later years.
An intimate view of one of the nineteenth century’s most celebrated scientists, for readers of history and natural science. Download the free EPUB.