Hilda Wade's gift was so unique, so extraordinary, that I must illustrate it, I think, before I attempt to describe it. But first let me say a word of explanation about the Master. I have never met anyone who impressed me so much with a sense of GREATNESS as Professor Sebastian. And this was not due to his scientific eminence alone: the man's strength and keenness struck me quite as forcibly as his vast attainments. When he first came to St. Nathaniel's...