
The best-selling author of Awakenings and The Man Who Mistook His Wife for a Hat, Oliver Sacks is well know as an explorer of the human mind—a neurologist with a gift for complex, insightful portrayals of people and their conditions. However, he is also a card-carrying member of the American Fern Society, and since …

To many people, hallucinations imply madness, but in fact they are a common part of the human experience. These sensory distortions range from the shimmering zigzags of a visual migraine to powerful visions brought on by fever, injuries, drugs, sensory deprivation, exhaustion, or even grief. Hallucinations doubtless …

“My predominant feeling is one of gratitude. I have loved and been loved. I have been given much and I have given something in return. Above all, I have been a sentient being, a thinking animal, on this beautiful planet, and that in itself has been an enormous privilege and adventure.” —Oliver Sacks No writer has …