乔治·华盛顿作为美国开国元勋之一，担任了首任总统。

George Washington, as one of the ___founding fathers, served as the first president of the United States.

阿尔伯特·爱因斯坦被认为是量子力学的奠基人之一。

Albert Einstein is considered one of the ___founding fathers of quantum mechanics.