In 1966, while Dr. Oliver Sacks was on the staff of a New York hospital, he came across some very unusual patients. About a third of all victims died, and others could not sleep and so lost their lives as well. Still others fell into a deep coma in which they spent the rest of their lives. Ultimately, their long illness cost them a great deal because they never grew beyond the time almost fifty years before when they caught the disease. Most passed away in the years following their treatment, but they taught doctors much about chemical therapy and gave new insights into how the human brain works. It has taken us some time to reach our goals, but our hard work has finally paid off. In the course of my life, I have found that people who have