This article explores the often-overlooked links between early 20th century conservation and eugenics. They discuss how three prominent conservationists, Henry Fairfield Osborn, Madison Grant and John C. Merriam, who were responsible for the preservation of the redwoods in California, were also leading figures in eugenic thought. For example, Madison Grant wrote a book called “The Passing of the Great Race”, which Hitler later referred to as his “bible”. For more read here.