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David Spergel

American astronomer.

Born March 25th, 1961 (age 64 years) in Rochester.

Occupations
astronomer, physicist
Website
www.astro.princeton.edu/~dns
Wikipedia
David_Spergel
Twitter
@davidspergel
Facebook
@david.spergel

Don't just count your years, make your years count. George Meredith