The 2008 TIME 100 Finalists

Read about the leaders, artists, enterpreneurs and thinkers who, in your opinion, deserve a spot on this year's TIME 100 —Scott Brown and Michelle Kung

NEIL DeGRASSE TYSON

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AGE: 49
OCCUPATION: Astrophysicist, author, director of the American Museum of Natural History's Hayden Planetarium and host of PBS's NOVA scienceNOW
NUMBER OF TIME COVERS: 0
PREVIOUS APPEARANCES ON THE TIME 100: 1

PRO: In a funny, genial voice, Tyson's best seller, Death By Black Hole, opened up the scientific community's understanding of the universe to the average Earthling.

CON: A black hole could open up and consume Tyson at any moment. Who's laughing now? Black holes are nothing to joke about.

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