Scottish photographer based in Edinburgh. He was born in Aberdeen and moved to Edinburgh in 1826. He took up photography as an amateur from about 1850, and as a professional in 1853. His business remained in Princes Street for over a hundred years. By 1887, it was employing 20 photographic assistants. John Moffat was a wet plate collodion worker who went on to take an early interest in new developments. He took stereo photographs and was one of the early bromoil workers.