[The role of engineer Gustave Trouvé (1839-1902) in the history of endoscopy].

The author relates the important contribution of engineer Gustave Trouvé (1839-1902) in endoscopy's history. Since 1873, he was, in fact, the first to ... set an electric light at the tip of the endoscope, by using a small incandescent airtight bulb. Edison's "Mignon" bulb was only discovered after 1886. The Vienese manufacturer Joseph Leiter was completely absorbed with the importance of this invention without having mentioned the true value of this rises of information, in this case G. Trouvé and surely also Dr Max Nitze who was despoiled.