Far as we can determine, these three gentlemen have never been in the same real world place at the same time before.
That is the three biggest inflection points in the history of virtual worlds, right there. 1978/9, 1985, 1990. If only we had John Taylor and Kelton Flinn here too.
I got pics with myself and with Brian Green in the mix too. Brian is on the pioneers panel with them in a few minutes.