Definition that contains proponent
- skinner United States psychologist and a leading proponent of behaviorism (1904-1990)
- johns United States artist and proponent of pop art (born in 1930)
- friedman United States economist noted as a proponent of monetarism and for his opposition to government intervention in the economy (born in 1912)
- partisan a fervent and even militant proponent of something
- zealot a fervent and even militant proponent of something
- robeson United States bass singer and an outspoken critic of racism and proponent of socialism (1898-1976)
- burrhus frederic skinner United States psychologist and a leading proponent of behaviorism (1904-1990)
- drumbeater a fervent and even militant proponent of something
- milton friedman United States economist noted as a proponent of monetarism and for his opposition to government intervention in the economy (born in 1912)
- george gamow United States physicist (born in Russia) who was a proponent of the big-bang theory and who did research in radioactivity and suggested the triplet code for DNA (1904-1968)