Richard J. Foster, who lives in the Denver area, is the author of Freedom of Simplicity: Finding Harmony in a Complex World (HarperSanFrancisco, 25th anniversary edition, 2005). He is a Quaker and the founder of Renovaré, a movement committed to church renewal.

Dawn Kepler is the director of Building Jewish Bridges, an outreach to interfaith families in Berkeley, Calif.

Edmund Case was the CEO of InterfaithFamily.com, an online resource for families who incorporate more than one religion in their practices. After retiring from InterfaithFamily.com, Case founded the Center for Radically Inclusive Judaism to advocate for radically inclusive attitudes and policies toward interfaith families – and for programmatic efforts designed to engage interfaith families in […]

Read a pair of December 2003 columns by Terry Mattingly about carols: “A Caroling We (Don’t) Go” and “What is a ‘carol’ anyway?”

Kenneth W. Osbeck of Rockford, Mich., is the author of Amazing Grace: 366 Inspiring Hymn Stories for Daily Devotions (Kregel Publications, 2002) and Joy to the World: The Stories Behind Your Favorite Christmas Carols (Kregel, 2000).

Christmas music historian Ron Clancy of North Cape May, N.J., produces the “Millennia Collection,” a multivolume set of Christmas music books and CDs.

Lee Strobel, who lives in Southern California, researches the Christmas story in The Case for Christmas: A Journalist Investigates the Identity of the Child in the Manger (Zondervan, 2005). Contact him via his website.

Author and historical detective Graham Phillips, who lives in the Midlands of England, explores what happened to Mary after the Crucifixion in The Virgin Mary Conspiracy: The True Father of Christ and the Tomb of the Virgin. During his research, Phillips says, he discovered a controversial theory that Jesus was the son of Antipater, the son of […]

Wayne Weible of Jacksonville, Fla., is the author of Medjugorje: The Message, about visions of the Virgin Mary that began being reported in the summer of 1981 in Medjugorje, a village in Bosnia-Herzegovina.