Which author created the Eternals, an offshoot of a race of aliens known as Uranians?
Uranian (comics): The Uranians are a fictional race in the Marvel Universe. Uranian (comics):  Originally described as a utopian society of extraterrestrials native to Uranus who had found scientific cures for aging, disease, crime, and other ills, they were later retconned as a colony of the Eternals, an offshoot humanity which possessed near-immortality, super-powers and vastly advanced technology even before founding their colony. Eternals (comics):  The Eternals were created by Jack Kirby and made their first appearance in "The Eternals" #1 (July 1976).
Jack Kirby