
1) Character of great prominence 2) Character of great influence 3) Figure of great significance 4) Figure of great prominence 5) Figure of great influence 6) Individual of great influence 7) Influential character 8) Influential personality 9) Influential person 10) Influential somebody 11) Influential figure
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https://www.crosswordclues.com/clue/quintillus

Quintillus (Marcus Aurelius Claudius Quintillus Augustus; c. 220 – April 270), commonly known as Quintillus, was Roman Emperor for less than a year in 270. ==Early life and election as Emperor== Quintillus was born at Sirmium in Pannonia Inferior. Originating from a low-born family, Quintillus came to prominence with the accession of his brother...
Found on
http://en.wikipedia.org/wiki/Quintillus

Roman emperor in 270, who died or was killed a few weeks after being proclaimed emperor.
Found on
http://www.britannica.com/eb/a-z/q/8
No exact match found.