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For over 30 years, complexity theorists have used this theoretical framework to identify problems where quantum computers surpass classical ones.—Ben Brubaker, Quanta Magazine, 17 Feb. 2026 George is currently extant in a horrific form; the trademark having been bought by a conspiracy-theorist lawyer some years ago.—Doreen St. Félix, New Yorker, 14 Feb. 2026 Human beings—predictors of eclipses, theorists of cosmic heat death—may no longer be the best guides to the future.—Ross Andersen, The Atlantic, 11 Feb. 2026 Political theorists like James Tulley distinguish between civil views of citizenship, focused on what government does, and civic views of citizenship, including deliberation and public work that citizens do together.—Harry Boyte, Twin Cities, 8 Feb. 2026 See All Example Sentences for theorist