Richard Wirthlin (1931–2011), prominent American pollster, Ronald Reagan's chief strategist
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LeRoy S. Wirthlin (born 1936), professor at Harvard Medical School and later a practicing surgeon
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Wirthlin Worldwide, political and business consulting firm founded by Richard Wirthlin in 1969
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Joseph B. Wirthlin (1917–2008), American businessman and member of the Quorum of the Twelve Apostles of The LDS Church
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Joseph L. Wirthlin (1893–1963), the eighth presiding bishop of The LDS Church
Joseph L. Wirthlin | Joseph B. Wirthlin | Wirthlin Worldwide | Richard Wirthlin | LeRoy S. Wirthlin |
In 1980, when California governor Ronald Reagan decided to run for president, he turned to Wirthlin for political advice.