Photograph taken by Christopher Aitchison in May 2008 at Tantallon Castle . The castle is a Grade I listed building and has been owned since the 17th century by the Earls of Dysart. Aitchison insists he did not tamper with the image . Picture made public by a psychology professor who studies the paranormal .
Photograph taken by Christopher Aitchison in May 2008 at Tantallon Castle . The `` person '' appears to be wearing an old-style greenish ruff around the neck . Aitchison insists he did not tamper with the image . Picture made public by a psychology professor who studies the paranormal .