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Cornelis A. "Neil" Gehrels (October 3, 1952 – February 6, 2017) was an American astronomer. He worked in the field of Gamma ray astronomy. He was the Chief of the Astroparticle Physics Laboratory at NASA's Goddard Space Flight Center from 1995 until his death.
Gehrels died on February 6, 2017 at the age of 64.