“The poetry of W.H. Auden was among Oliver Sacks’s formative books. When the two men eventually became friends in the final years of Auden’s life, Dr. Sacks was still a thirty-something neurologist with little more than a weightlifting record under his belt, a long way from becoming the Dante of medicine. Auden became an invaluable mentor as the young writer was honing the singular voice that would later render him the greatest science-storyteller of our time.” Maria Popova shares more.