Len Sassaman and Satoshi: A cypherpunk history
Satoshi came out of retirement in March 2014 to state that he was not Dorian Nakamoto, in the wake of a Newsweek article that falsely fingered the latter as Satoshi:https://techcrunch.com/2014/03/06/satoshi-dorian/I still think it was Hal Finney, who was in similar cypherpunk circles, created the first PoW system, received the first Bitcoin transaction, lived in the same town as Dorian Nakamoto for 10 years, was diagnosed with ALS about a year before Satoshi disappeared from Bitcoin development, died in August 2014, and was cryopreserved.