Wendell Berry, Terry Tempest Williams, Bill McKibben, Richard J. Foster, Calvin DeWitt, Philip Sherrard, Henri J.M. Nouwen, Frederick Buechner, Juliet B. Schor, Gerald G. May, Duane Elgin, Michael Schut, William Stringfellow, Cecile Andrews, William E. Gibson, John B. Cobb Jr., David Shi, Alan Durning, James T. Mulligan, Timothy Weiskel, Shantilal Bhagat, Evy McDonald, Jerome Segal