The Power of Concentration by Theron Q. Dumont. Theron Q. Dumont (aka William Walker Atkinson) lived from 1862-1932. We all know that in order to accomplish a certain thing we must concentrate. It is of the utmost value to learn how to concentrate. To make a success of anything you must be able to concentrate your entire thought upon the idea you are working out. Do not become discouraged, if ...