2626841 Rene Laennec (1781-1826) listening to the chest of a man with consumption, at the Necker Hospital, 1816 by Chartran, Theobald (1849-1907); (add.info.: Rene Theophile Hyacinthe Laennec, A L\'Hopital Necker, Ausculte Un Phtisique. Laennec was a French physician who invented the stethoscope in 1816 and pioneered its use in diagnosing various chest conditions.); Universal History Archive/UIG; French, out of copyright.