1. a person who makes something widely known, understood, or accepted by the general public

Examples

• Carl Sagan was a great popularizer of astronomy and space science.
• The author became a popularizer of complex economic theories.
• She worked as a popularizer of healthy eating habits in schools.
• The documentary filmmaker is known as a popularizer of environmental issues.
• He was an effective popularizer of classical music among young audiences.
• The professor served as a popularizer of ancient history through her books.