"luminary : One who is an inspiration to others; one who has achieved success in their chosen field;..."

“luminary : One who is an inspiration to others; one who has achieved success in their chosen field; a leading light.
(archaic) A body that gives light; especially, one of the heavenly bodies.
(archaic) An artificial light; an illumination.”

- https://en.wiktionary.org/wiki/luminary#English

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