I just saw that Robert Kaye of Metabrainz is no longer on our mortal coil. I only met him once IRL, but regardless, he was hugely inspiring (particularly if you liked chocolate) to open source community folk like myself.
My favourite Robert Kaye-ism: "If you can't send chocolate, you can at least post once a week on your project's mailing list - even if its just about the amazing chocolate you just ate!". Vale.