Elliot Eisner has been an influential advocate for the benefits of art in the schools.

Often, their involvement results in a conversion, and they go from being nettlesome critics of public education to influential advocates.

He was an influential advocate for slavery in the colonies.

Up until the late 2000s, Wolf was an influential advocate of globalization and the free market.

He is one of the most influential advocates in the movement for organic food.

He is one of the influential Kurdish advocates in the Diaspora.

He is also known as an influential advocate for studio musician's rights.

He is credited with being an influential advocate for growth in spending for the Navy.

In the years since, he has become the River's most important and influential advocate.

An influential advocate of American Indian rights, he was 72.