The Surgeon Who Wept at What He Saw

In 1816, French physician Rene Laennec placed a rolled-up notebook against a patient's chest and heard, for the first time, the unmistakable rhythm of a living heart. He had invented the stethoscope. But what moved Laennec was not the device itself — it was the revelation. Hidden beneath skin and bone, a symphony had been playing all along, and he had finally found a way to listen.…