Neurosurgery as a profession is a hundred years old, but few know how it works or how far it has come in saving lives through dazzlingly intricate operations. DR. THEODORE H. SCHWARTZ is a master brain surgeon whose new book, Gray Matters, shares the history of his profession and its pioneers, along with many of its most fascinating wonders. In conversation with WILLY WALKER, one of our favorite guest interviewers and host of the Walker Webcast, Dr. Schwartz will tell us exactlywhat it’s like to apply the scalpel, wield the drill, or extract a tumor in the most delicate and precise surgeries known to man.