Kevin Walsh is a law professor at the University of Richmond. He represented the Little Sisters of the Poor in an earlier challenge to the Affordable Care Act’s contraceptive mandate.

Josh Shapiro is the attorney general of Pennsylvania. He sued the Trump administration to challenge its plan to offer broad moral and religious exemptions to the Affordable Care Act’s contraceptive mandate.

Katherine M. Franke is a law professor at Columbia University, where she also serves as faculty director of the Law, Rights and Religion Project.

Leslie Hiner is the vice president of legal affairs for EdChoice, an organization that researches and advocates for school choice programs. Arrange an interview through Jennifer Wagner.

Alice O’Brien serves as general counsel for the National Education Association, which filed a brief opposing tax credit programs that benefit private schools in Espinoza v. Montana Department of Revenue.

Michael Bindas is a senior attorney with the Institute for Justice, which is representing the parents suing to reinstate Montana’s tax credit program. He specializes in cases related to educational choice and freedom of speech.

John Inazu is a professor of law and religion at Washington University in St. Louis, where he also teaches political science. He specializes in legal issues related to the First Amendment’s free speech, assembly and religious freedom protections.

Here are 18 experts on the relationship between religion and vaccines.