"The Invention of Nature" about Alexander von Humboldt, by Andrea Wulf. Very in-depth book about a naturalist who deserves to be much better known than he gene

"The Invention of Nature" about Alexander von Humboldt, by Andrea Wulf. Very in-depth book about a naturalist who deserves to be much better known than he generally is. It also includes several chapters with mini-biographies of famous people who were influenced by Humboldt.