You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: DR. WHO... 
Clue: specializes in X-rays & elements, like the one with the atomic number 88 for treating diseases

Answer: a radiologist


Question: Category: EPIGRAPHS 
Clue: For "The Razor's Edge", he chose the apt "The sharp edge of a razor is difficult to pass over"

Answer: somerset maugham


Question: Category: HUMANITARIANS 
Clue: Billionaire Kirk Kerkorian has provided $100 million for an airlift to this country

Answer:
armenia