Tom Gehrels (1925–2011)
Born 1925 CE, died 2011 CE.
Anton Marie Jacob "Tom" Gehrels (February 21, 1925 – July 11, 2011) was a Dutch–American astronomer, Professor of Planetary Sciences, and Astronomer at the University of Arizona, Tucson.
Text from the Wikipedia article Tom_Gehrels, licensed CC BY-SA 4.0.