Beginning in England and America in the 1830s , and manifesting itself primarily in Transcendentalist Unitarianism , which emerged from the German liberal theology associated primarily with Friedrich Schleiermacher , the psilanthropist view increased in popularity .
In modern times we see the psilanthropist view manifested in Rationalist Unitarianism , which emerged from the German Rationalism and the liberal theology of the 19th century .