What do Nobel Prize winner Marie Curie and poisoned Russian spy Alexsander Litvinenko have in common?

The Russians have no are for any life form as long as they kill the person they are after the coincidental death of waiters cleaners the general public who also come into contact with this highly toxic it stuff doesn't matter to them just look at Salisbury.

My God!! She risked her life for the better of mankind!! What a giving human being!! RIP!!