There are several reports of people seeing phantasms of living people, your uncle e.g. walking outside your windows while you know he is in Germany on a business trip. How do these apparitions fit in to it all?
W hen I was quite young I wrote a short introductory text on ghosts and apparitions in "life" and in literature. I happened to see an impressive work titled "Phantasms of the Living". This extremely heavy volume covers the above situation.