Joan Chittister, OSB, is a best-selling writer and lecturer. She lives in Erie, Pennsylvania.

Contributor Murshid Saadi Shakur Chishti (Dr Neil Douglas-Klotz) has a website at www.abwoon.com, for the Abwoon Study Circle. This site focuses on his research, study and publication in the areas of Middle Eastern mysticism and peacemaking. "Abwoon" is an Aramaic word for the power of the Universe to give birth to new life every instant. His institutional website is the Edinburgh Institute for Advanced Learning (www.eial.org).

Rabbi Arthur Waskow is the director of The Shalom Center in Philadelphia and author of numerous books, including Seasons of Our Joy and Down-to-Earth Judaism.