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founding father

British  

noun

  1. (often capitals) a person who founds or establishes an important institution, esp a member of the US Constitutional Convention (1787)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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This was radical stuff in 1776, when Abigail Adams, the redoubtable wife of John, the founding father and future president, was pleading with her husband to “remember the ladies.”

From Los Angeles Times Jul. 2, 2026

Khamenei became supreme leader in 1989 after the death of the Islamic Republic's founding father, Ayatollah Ruhollah Khomeini.

From BBC Mar. 4, 2026

Biographer Ron Chernow calls Washington’s decision to free his slaves “glorious. . . . He did what no other founding father dared to do.”

From The Wall Street Journal Jan. 25, 2026

For so long the giants of Welsh politics, Labour confront social changes and a fragmented electorate in the political home of its founding father, Keir Hardie.

From BBC Jan. 23, 2026

In scientific terms, though, Tyson is regarded as the founding father of comparative anatomy, which looks at the physical relationships between different species.

From "The Scientists" by John Gribbin

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