““It showed a tiny baby girl floating in a clear glass vessel. The baby held a silver rose in one hand, a golden rose in the other. On its feet were tiny wings, and drops of red liquid showered down on the baby’s long black hair. Underneath the image was a label written in thick black ink indicating that it was a depiction of the philosophical child—an allegorical representation of a crucial step in creating the philosopher’s stone, the chemical substance that promised to make its owner healthy, wealthy, and wise. The colors were luminous and strikingly well preserved. Artists had once mixed crushed stone and gems into their paints to produce such powerful colors. And the image itself had been drawn by someone with real artistic skill. I had to sit on my hands to keep them from trying to learn more from a touch here and there.””