<p><b>The untold story of Dr. Oliver Sacks, his own most singular patient</b><br><br><b>"[An] engrossing biographical memoir. This is Sacks at full blast: on endless ward rounds, observing his post-encephalitic patients . . . exulting over horseshoe crabs and chunks of Iceland spar." ¿Barbara Kiser, <i>Nature</i><br></b><br>The author Lawrence Weschler began spending time with Oliver Sacks in the early 1980s, when he set out to profile the neurologist for his own new employer, <i>The New Yorker</i>. Almost a decade earlier, Dr. Sacks had published his masterpiece <i>Awakenings¿</i>the account of his long-dormant patients¿ miraculous but troubling return to life in a Bronx hospital ward. But the book had hardly been an immediate success, and the rumpled clinician was still largely unknown. Over the ensuing four years, the two men worked closely together until, for wracking personal reasons, Sacks asked Weschler to abandon the profile, a request to which Weschler acceded. The two remaine