If you were a Speccy kid in the 80s then I have absolutely no doubt that you played at least a handful [link url=http://www.worldofspectrum.org/infoseekpub.cgi?regexp=^Jonathan+Smith+[1]$&loadpics=1]of his games[/link] even if you don't recall the name.
Joffa was 'something of a card', a regular poster on the World of Spectrum forums and had been working on a brand new Spectrum game called 'Saucer' (which may or may not have been finished).
just downloaded Zx Nostalgia on the Apple store as well ;_;

