Sherry Rostosky is an assistant professor at the University of Kentucky in Lexington. She is an expert on same-sex marriages.

Ellen Riggle is a political science professor at the University of Kentucky in Lexington. She examined the use of legal documents by same-sex couples to protect and maintain their relationships.

Jonathan Rauch is an Atlantic Monthly correspondent, a National Journal columnist and the author of Gay Marriage: Why It Is Good for Gays, Good for Straights, and Good for America (Times Books, 2004).

David McCarthy is a professor of theology at Mount St. Mary’s College in Emmitsburg, Md. He wrote the article “Homosexuality and the Practice of Marriage” for the journal Modern Theology.

Cynthia S. W. Crysdale is associate professor for the School of Theology and Religious Studies at Sewanee: The University of the South. She wrote “Christian Marriage and Homosexual Monogamy” for the book Our Selves, Our Souls and Bodies: Sexuality and the Household of God (Crowley Press, 1996).

Carol Sanger teaches family law at Columbia University Law School in New York City.

Barbara A. Babb is a family law professor at the University of Baltimore in Maryland. She has spoken on the legal issues involved with same-sex marriages.

Michael J. Klarman is a professor of law at Harvard University. He is an expert in constitutional law, constitutional theory and constitutional history.

Vikram Amar is a professor of law at the University of Illinois College of Law and an expert on constitutional law.