[3] He lectured and gave workshops extensively in the United States, Australia, Europe, and Asia on such topics as Jungian psychology, Christian theology, pilgrimage, spiritual growth, dream interpretation, journaling, and the Myers-Briggs Type Indicator.
[6][7] Clift earned a bachelor's degree with honors in economics and government from the University of Texas at Austin in 1949.
[3] While in Houston, Clift attended the major address by then-presidential candidate Senator John F. Kennedy to the Greater Houston Ministerial Association on September 12, 1960, regarding Kennedy's ability to make decisions independent of the Roman Catholic Church (he is viewable at the 1:38 mark in the recorded video of the address).
[9] He earned his Ph.D. from the University of Chicago Divinity School with his dissertation "Psychological and Biblical-Theological Perspectives on Hope from the Viewpoints of C. G. Jung and John Knox".
[12] After his retirement from the University of Denver in 1992, Clift was appointed Canon Theologian of the Episcopal Diocese of Colorado and invited to head the Anglican Studies program at St. Thomas Theological Seminary.