Louis Jacques Mande Daguerre born 1789 died 1851 was a great French scene-painter who experimented for many years trying to find some way of rendering permanent the image projected by a lens J Nicephore Niepce was engaged in the same research and from 1829 until the death of Niepce in 1833 the two worked together but it was not until some years after the latter date that Daguerre discovered the process that bears his name This process may be brie...