Luminary / LOO-muh-nair-ee / noun
1. Any body that gives light, especially one of the heavenly bodies.
2. A person of eminence or brilliant achievement.
There's something comforting in those occasional lapses when a luminary lurches and trips over the humble stone his powerful torch somehow failed to reveal.
-- Brad Leithauser, "You Haven't Heard the Last of This", New York Times, August 30, 1998
. . .such jazz luminaries as Cab Calloway, Duke Ellington, Jimmie Luncefrod, Louis Armstrong, and Earl Hines.
-- Daniel Mark Epstein, Nat King Cole
Before winning the famous prize, she wasn't a luminary outside the scientific community.
-- Brought to you by the 3rd Generation Prius