The non-profit organization Consistent Life Network, founded in 1987 as the Seamless Garment Network, promotes adherence to the ethic through education and non-violent action. Individual endorsers belonging to the organization include Father Daniel Berrigan, theologian Harvey Cox, "Village Voice" columnist Nat Hentoff, Father Theodore Hesburgh, actress Patricia Heaton, "L'Arche" founder Jean Vanier, death penalty activist Sister Helen Prejean, pastor and activist Patrick Mahoney, author Ken Kesey, Archbishop of Canterbury Rowan Williams and Nobel Peace Prize laureates Mairead Corrigan Maguire and Adolfo Pérez Esquivel. Rachel MacNair, for ten years (1994–2004) President of Feminists for Life, an anti-abortion organization, is the director of the Institute for Integrated Social Analysis, the research arm of Consistent Life Network.