The years passed unnoticed and unremembered, and one autumn morning I found myself suddenly forty-five years old. It was a time for weighing youthful hopes against mature accomplishment, for it was quite certain that I had by then done all I was ever going to do. Sitting alone at my desk that evening of my forty-fifth birthday I asked that least original of introspective questions: Where had it all gone? And the somewhat less banal question: What, after all, had it been? My