John Herschel and Cyanotypes

Sir John Frederick William Herschel, was born on the 7th March 1792. Apart from being an astronomer like his father William, who discovered Uranus, he was a mathematician and a chemist – for photography enthusiasts he is most famous as being the discoverer/inventor of the cyanotype process. The City of Bath has already been mentionedContinue reading “John Herschel and Cyanotypes”