Louis Daguerre, a former collaborator with Nicéphore Niépce in early photographic techniques, made a major break through in 1839 developing a process called daguerreotype.
This used silver on a copper plate and is still the basis of the process utilised today in Polaroids. The French government seized on the development and bought up the Daguerreotype patent.
There were also developments across the English Channel where William Fox Talbot was working on a similar process to the daguerreotype, but had kept his findings a secret.
By 1840 he had invented the calotype process,which enabled him to produce positive prints.
Constant battles defending his patents saw Fox eventually give up his research in photography.
Andy Crozier specialises in Hull wedding photography and is now accepting bookings for 2010/2011
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