I never had the slightest notion that his birthday was on Halloween until quite some time after he had died. http://jimcannotfixthis.blogspot.co.uk/2012/12/2001-time-oddyssey.html
I'm hoping to be in that part of the world early next year, and would quite like to pay my respects. Is the plot easy enough to find?
I can give you rough directions nearer the time. Who knows, I might join you ! x