Satoshi Nakamoto is unknown, at least we don't know who is (are) Satoshi Nakamoto.
Many researches and investigations about Satoshi Nakamoto but no thing was found and enough to identify Satoshi identity.
I gathered every Satoshi Nakamoto thread.The complete Satoshi from Satoshi Nakamoto Institute.
Real identity was leaked in early days (topic 3 of the forum) but it was deleted by Satoshi Nakamoto. This is information many people did not know.
1, 2, and 4 exist in the staff forum. 3 was permanently deleted at some point (it must have contained Satoshi's real name and address).