Five Old Men of Yellowstone: The Rise of Interpretation in the First National

Yellowstone has undergone a number of transitions in the 140 years since its national park designation in 1872. The period from the late 1930s through the early 1970s marked one of the most significant as the Park Service shifted focus from public recreation to interpretation and education. The vast wilderness and numerous awe-inspiring natural spectacles of the park became less objects of passive enjoyment and more subjects to be engaged, interpreted, and understood by visitors. The park w...