Block Viewer: Visualize the Bitcoin block chain

Also, pretty sure this is Satoshi. Not entirely sure. First transaction in 2009, 10 days after the network was brought up.

How are you getting the unique names for the owners?

After consolidating the addresses, it scrapes the bitcointalk.org forums and bitcoin-otc signatures to bind real-world identities to the owner ids.

Who is mwally and why is he/she at the center?

It's wikileaks.