Introduction

When hans was only two years old, he became a world wide sensation. Hans is an expert in numbers, even being able to figure fractions. He answers correctly what number of fours is in eight, in 16 and in 30. Why were we so credulous? We need to make up stories to find an explanation. When someone rejects our book manuscript or turns us down to give a talk, the easiest story to believe is that they have spent a great deal of time examining our work.