I am much younger than my brothers. When I was in elementary school, one of my brothers was already in college. One time, he sent me a coloring book that featured art taken from classical Greek vase paintings, depicting scenes from mythology. Those coloring books proved to be my introduction to such figures as Hercules, Medusa, and the harpies. Right on the cover was Oedipus confronting the sphinx. Now this sphinx fascinated me. At the time, I was old enough to be familiar with the Great Sphinx ...