Fred Lawrence Whipple (1906–2004)
Born 1906 CE, died 2004 CE.
Fred Lawrence Whipple (November 5, 1906 – August 30, 2004) was an American astronomer, who worked at the Harvard College Observatory for more than 70 years. Among his achievements were asteroid and comet discoveries, the "dirty snowball" hypothesis of comets, and the invention of the Whipple shield.
Text from the Wikipedia article Fred_Lawrence_Whipple, licensed CC BY-SA 4.0.