e Author Richard J. Foster is an author among the Quaker Christians and has written several best-selling books such as Celebration of Discipline, A Spiritual Formation Workbook, Life with God, Streams of Living Water, A Year with God, and Prayer. Prayer became the book of the year in Christianity today and won the Evangelical Christian Publishers Association??™s Gold Medallion. Foster is the Founder of Renovar?? (for inspiring and supporting in the development of an integrated and fulfilled life as Christ??™s disciple) and pastor of Evangelical Friends churches and a professor at Friends University. He was married in 1967 to Carolynn and has two children.