Professor J.J.C. Smart died on Saturday 6 October 2012. He will be remembered fondly by many people, both for his immense contribution to modern philosophy and for his personal friendliness and kindness.
The Australasian Association of Philosophy has now published a memorial page on its website, where you might wish to add and share your memories/thoughts about Jack Smart.
See also this lovely article by his colleagues at Monash University, including John Bigelow and Graham Oppy. Vale!