The doctor treating 'Robert' says that over 50 days of memory loss is extremely rare and throughout his whole career he's never met someone with no memory at all.
Dr Manaan Kar Ray say the Autobiographical Memory - which incorporates memories of friends, family, and experiences - makes up the 'building blocks' of our existence.
The medical team have taken the man to the town centre of Peterborough where he was found and also to Wisbech, an area with several Eastern European communities, as he has a slight accent.
But doctors say that even if he's identified, the process to bring back his memory will be just beginning.
More top news
New report shows how Britain will sound in 2066, and theres some changes to our Brummie accent afoot.
The number of people contacting the NSPCC to raise the alarm on domestic abuse has surged by 83% in the region over the past five years.
The announcement comes a day after a ballot for action by catering supply staff on the West Coast route was launched in a dispute over pay.