Five years later–with help from Harvey Butchart–he became the first to walk the length of Grand Canyon National Park in one arduous solo trek. (The boundaries of Grand Canyon National Park were expanded to include the entire canyon in 1975. He was to backpacking what Walter Cronkite was to reporting or what Leonard Bernstein was to music; when Colin Fletcher had something to say, people listened. Without Fletcher’s pioneering work it is unlikely that backpacking would have become what it is today. Today, even though most have never heard of him, we can blame Colin Fletcher for luring the hordes out into America’s wild places.