John Berlinger Breaux ( /ˈbroʊ/; born March 1, 1944) is a former United States senator from Louisiana who served from 1987 until 2005. He was also a member of the United States House of Representatives from 1972 to 1987. He was considered one of the more conservative national legislators from the Democratic Party. Breaux was a member of the New Democrat Coalition.

Breaux was born in Crowley, Louisiana, on March 1, 1944. He graduated from the University of Southwestern Louisiana (now called the University of Louisiana at Lafayette) in Lafayette in 1964 and from Louisiana State University Law School in Baton Rouge in 1967. After graduation, he practiced law, and then served as an assistant to U.S. Representative Edwin Edwards. He also is a member of Lambda Chi Alpha Fraternity.

Wilbert Joseph "Billy" Tauzin II (English pronunciation: /'bɪli 'toʊzɪn/; born June 14, 1943) is an American lobbyist and politician. He was President and CEO of PhRMA, a pharmaceutical company lobby group. He was also a member of the United States House of Representatives from 1980 to 2005, representing Louisiana's 3rd congressional district.

Of Cajun descent, he is a lifelong resident of Chackbay, a small town just outside Thibodaux, Tauzin graduated from Nicholls State University in 1964 with a Bachelor of Arts Degree and earned a law degree from Louisiana State University in 1967. While attending law school, he served as a legislative aide in the Louisiana state Senate.

He is married to Cecile Tauzin and has five children by a previous marriage.

Tauzin began his elective career in 1972, when he was elected to the Louisiana House of Representatives and served four full terms as a Democrat. In 1979, 3rd District Congressman Dave Treen, Louisiana's first Republican congressman since Reconstruction, was elected the state's first Republican governor since that time. He resigned his House seat on March 10, 1980. Tauzin won a special election for the seat on May 17 and was sworn into office on May 22, just five months after winning a fifth term in the state house. He won by seven points. Tauzin defeated another Democrat, who also later turned Republican: Jim Donelon. Tauzin then won a full term in November 1980, with 85 percent of the vote.