David Octavius Hill and Robert Adamson, “Edinburgh Ale: James Ballantine, Dr George Bell and David Octavius Hill” (1843–47), calotype print (courtesy Scottish National Portrait Gallery) Although Hill ...
In January of 1838, news reached William Henry Fox Talbot (1800-1877) in London that Louis-Jacques-Mandé Daguerre (1787-1851) had announced his direct positive process to the Academy of Sciences in ...