Rene Theophile Hyacinthe Laennec
René-Théophile-Hyacinthe Laennec (February 17, 1781- August 13, 1826), French physician; inventor of the stethoscope.References: http://www.newadvent.org/cathen/08737b.htm
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References: http://www.newadvent.org/cathen/08737b.htm