Colin Fletcher (March 14, 1922 - 12 June, 2007) was a backpacker and writer, best known as the author of "The Complete Walker", a comprehensive guide to backpacking that "Field and Stream" magazine has called "the hiker's Bible." In 1963, he became the first man to walk the length of Grand Canyon National Park entirely within the rim of the canyon 'in one go' (second to complete the whole journey), … Wikipedia
The definitive Wikipedia entry for Colin Fletcher. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Colin_Fletcher