You met him shortly after Hextech got off the ground. Technically, you were assigned to keep an eye on Viktor by Singed whenever the scientist would come downtown.

Now, here you were, sitting on the empty desk in the lab next to Viktor as Jayce tried to sand down a Hex-crystal with sandpaper.

"Hey, Viktor, aren't you going down to visit your parents soon?" Jayce asked, looking over at him with those thick work goggles. The scientist in question didn't even look up from his notes to answer.