Panentheistic conceptions of God occur amongst some modern theologians. Process theology and Creation Spirituality, two recent developments in Christian theology, contain panentheistic ideas. Charles Hartshorne (1897–2000), who conjoined process theology with panentheism, maintained a lifelong membership in the Methodist church but was also a Unitarian. In later years he joined the Austin, Texas, Unitarian Universalist congregation and was an active participant in that church. Referring to the ideas such as Thomas Oord's ‘theocosmocentrism’ (2010), the soft panentheism of open theism, Keith Ward's comparative theology and John Polkinghorne's critical realism (2009), Raymond Potgieter observes distinctions such as dipolar and bipolar: