Did Theymos knew Satoshi personally?
No. I don't think anyone knows satoshi personally.
Some interesting read from
https://bitcointalk.org/index.php?topic=5129680It's surprising how well-documented history can become totally forgotten... Satoshi created the forum on Nov 22, 2009, and was head administrator until almost 2011. Then Sirius was head administrator until 2012, which is when I took over.
There was a period where both Sirius and I were active administrators. For convenience, I reckon Jan 1, 2012 as when I became head administrator, though it was actually a gradual transition starting before and ending after that.
1. I don't know him personally. He was made a forum and server admin back in 2010 because he had proven himself trustworthy and was able to spend time working on it. Bitcoin.org and bitcointalk.org domains are owned by someone trusted by Satoshi, while theymos has management rights. I resigned from the management, because I'm not active in the community and don't want to be involved in the politics. I don't want to say too much about the debate, as I'm not that familiar with all that's going on.