Which camera process came before the daguerreotype

Louis Daguerre publicly introduces his daguerreotype process, which produces highly detailed permanent photographs on silver-plated sheets of copper. At first, it requires several minutes of exposure in the camera, but later improvements reduce the exposure time to a few seconds.

name the above painting and its artist. how has the artist used balance, variety, and movement in this piece to emphasize the man waving the cloth, in the upper right-hand corner? be specific in your response.