aristarchus
/ˌærɪsˈtɑːrkiːs/; /ˌærɪsˈtɑːrkeɪs/Definitions
1. noun
A person who is a strict and severe judge of artistic or literary works, or a person who advocates for a strict and austere lifestyle.
“The artist was criticized by an aristarchus of the art world, who felt that her work was too commercial.”
2. proper noun
A ancient Greek mathematician who proposed the first known heliocentric model of the solar system, circa 250 BCE.
“Aristarchus of Samos was a pioneer in the field of astronomy and his work laid the foundation for later astronomers.”