China white was the black market selling of ivory, in which the profit was redistributed back into the trafficking of heroin.

What is fascinating about his story is that he invented the stethoscope because he was shy. At that time doctors generally listened to heartbeats by placing an ear directly on a patient’s chest. When he was examining a young woman complaining of heart problems, he thought it was improper to place his ear on her chest, especially as she was overweight.