founding father

Từ điển Oxford Advanced Learner 8th

ˌfounding ˈfather [founding father] BrE NAmE noun
1. (formal)a person who starts or develops a new movement, institution or idea
•one of the founding fathers of modern psychology
2. Founding Fathera member of the group of people who wrote the Constitution of the US in 1787

Culture:
The best-known Founding Fathers of the US are George ↑Washington, Thomas Jefferson, Benjamin Franklin, Alexander ↑Hamilton, John ↑Adams and James ↑Madison.