If I said Russia, possibly thallium and a surname that sounds like chicken, who would i be talking about?

Question

I dont mean the person that died recently, at least i dont think i do, and i dont want to know why he died, just his name. (and possibly how its spelt)

I dont mean Alexander Litvinthingamabob, and all i want to know is what the persons name is, and possibly how it is spelt

Answer 1

All I can offer is this website with names of recently deceased world figures:
http://www.weeuniverse.com/deaths.html

Answer 2

Alexander Litvinenko