""Green Universe: The Story of Alexander Von Humboldt"" by Edward F. Dolan Jr. is a biography of the German naturalist and explorer Alexander von Humboldt. The book chronicles Humboldt's life and his contributions to the field of natural science, including his explorations of South America and his discovery of the concept of ""cosmos."" The author also delves into Humboldt's personal life, including his relationships with his family and his impact...