WILL-POWER IN BUSINESS making of great machines. And he developed a will-power that carried him on to success in spite of all manner of obstacles. There are three other types of men who can rightfully be classed among inventors, as they achieve their successes by observation, by creative thought, by concentration and willpower. They are the Scientists, Detectives, and Business Experts. The tasks of these three are very much alike and very much like the task of the inventor. They are all vivid with interest because they deal with the unknown—with problems and mysteries. Scientists, Detectives, and Business Experts, are on a search to find something. Their work is like a game. A crosswords puzzle is childish compared with the day’s work of these searchers. Tue Scientist. He is always doing something new—making experiments. He is finding out the laws of Nature. He is full of hope. At any time he may discover some new law that will make him famous and perhaps rich. His mind is kept alert. He is full of the joy of life. Every day is a new day, all too short for what he wants to do in it. 60