I met the SQLite architect's parents a few years ago. My wife was a member of their church many years ago, and they had invited us to a function at their house right before we married. I didn't know who they were at the time, but in a conversation over dinner the father was asked what his son did for a living, and he said something like "You know that cellphone you carry? My son wrote an important program that manages the databases it runs on." I asked if he was talking about SQLite and he said that yes, that was the program. Turned out there were a few other people there who knew about SQLite so we had a bit of a geek out for the rest of the night, discussing FOSS, SQL, mobile development, and so on.