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.
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It will be a breezy, but still a rather cloudy day across the region with intermittent drizzle possible.
Remaining cloudy but with a freshening southeasterly breeze helping to clear much of the mist and hill fog.
Another cloudy and murky night with extensive low cloud giving hill fog and some patchy light rain or drizzle.