- So, just what is it about these dories Martin Litton (the guy who first introduced them to river running in the Grand Canyon) says those who have to ask will never know. And, yes, maybe it is a little difficult to describe them in adequate terms, but to put the feeling metaphorically, those who appreciate the difference of homegrown tomatoes, micro-brew beer, or dancing barefoot, might ...www.wileywales.com/boatworks.html