Gray Matters: A Biography of Brain Surgery - Hardcoverby Theodore H. Schwartz (Author) "If you are at all curious about the brain or the surgeons who operate on it, Gray Matters is a must read and Dr. Theodore Schwartz is the perfect guide, a master brain surgeon and superbly talented writer. I have not read a better biography of our shared profession, and in Schwartz's talented hands, the most enigmatic 3 1 2 pounds of tissue in the known universe comes to light in remarkable and revelatory ways." Dr.