Timothy Johnson is Morse Alumni Distinguished Teaching Professor of Political Science at the University of Minnesota in Minneapolis-St. Paul. His books include, as co-author, Religious Institutions and Minor Parties in the United States. He wrote the entry on Roe v. Wade for the Encyclopedia of American Religion and Politics.

Catholics for Choice was founded in 1973 to give a voice to those “who believe that the Catholic tradition supports a woman’s moral and legal right to follow her conscience” on matters of reproductive health.

The United States Conference of Catholic Bishops is an organization that works “to unify, coordinate, encourage, promote and carry on Catholic activities in the United States.”

The Susan B. Anthony List is a leading anti-abortion group. The organization and its political action committee work to elect lawmakers who oppose abortion. Marjorie Dannenfelser is president. Contact Mallory Quigley.

Priests for Life is one of the largest anti-abortion groups in the country. The Rev. Frank Pavone is the group’s leader.

The National Pro-Life Religious Council is a Christian coalition. Organizations that have representatives on its board are listed on the website.

Medical Students for Life of America is an outreach organization of Students for Life of America. Jon Russell is national coordinator for the medical group.

The Southern Baptist Convention’s Ethics & Religious Liberty Commission is the public policy arm of the Southern Baptist Convention. Hannah Daniel is the commission’s director of public policy.

Concerned Women for America aims “to bring Biblical principles into all levels of public policy.” Issues dealing with sanctity of life are among its core concerns. Penny Young Nance is chief executive officer and president.