Yesterday (March 30th, 2018) was National Doctor’s Day in the United States, and we thought it would be fitting to do a feature on arguably one of the most symbolic tools in medicine. What is the tool portrayed above? The painting above features Rene Theophile Hyacinthe Laennec using an early version of his invention – the stethoscope. The Inventor1 To the left is a portrait of Rene Theophile Hyacinthe Laennec. Born in 1781, …