Rocco Palmo runs the blog Whispers in the Loggia, one of the most popular sites in the Catholic blogosphere. He is a frequently quoted expert on Vatican developments and was formerly a Philadelphia-based U.S. correspondent for The Tablet of London.

John S. Grabowski is an associate professor of religious studies at the Catholic University of America in Washington, D.C. He also has an expertise in women’s issues. He and his wife were appointed to the Pontifical Council for the Family by Pope Benedict XVI in the fall of 2009.

The Rev. John T. Ford is a professor at the school of theology and religious studies at the Catholic University of America in Washington, D.C.. He has often used Pope Benedict XVI’s books as texts in his courses on Christianity.

Sociedad de Beneficente Muculmana-Rio de Janeiro provides information about Islam and posts information about cultural activities in the area.

Islamic Center of Argentina / Centro Islámico de la República Argentina is an organization that hosts festivals, cultural events, education activities and schooling in Buenos Aires.

Centro Cultural Islámico is an organization in Argentina that provides many resources on Islam, Arabic language, culture and education.

Christopher Bellitto is chair of the history department at Kean University in New Jersey, where he has taught a course on the papacy. He has also written many articles on Catholicism and is a regular television commentator on Vatican stories.

Michael Scott Horton is a professor of systematic theology and apologetics at Westminster Theological Seminary in Escondido, Calif. He has called prosperity gospel a “wild and wacky theology.”

David G. Myers is a professor of psychology at Hope College in Holland, Mich. He has written about the pursuit of happiness and consumerism.