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: BASEBALL & THE PRESIDENCY 
Clue: As both vice president & president, he threw out a season's 1st pitch, each time for a different Senators franchise

Answer: richard nixon


Question: Category: FRENCH NOVELISTS 
Clue: A relative of Henri Bergson's wife, he used Bergson's mystical concepts of time in his most famous work

Answer: marcel proust


Question: Category: SCIENTISTS 
Clue: "American Prometheus" is a biography of this physicist who died in 1967

Answer:
j. robert oppenheimer