If you would like to contact me, then feel free to email me politely at: simon{dot}d{dot}halliday{at}gmail{dot}com alternatively, if you would like my formal university address, then contact me at halliday{at}unisi{dot}it.

I will try to respond to you email promptly, but if I happen not to reply then please do email me again.  I shall do my best to respond.