Dry plate glass plates, also know as gelatine silver process, was invented by Dr. Richard  Leach Maddox. He was an English photographer and physician and worked prominent in what was called photomicrography. When he noticed that his health was being affected by the earlier collodion process, Maddox began looking for other solutions. His experiments were published on 8 September 1871 in British Journal of photography. The dry plate silver gelatine process changed the photography industry intensively by his discovery.