Title: Types of modern theology
Subjects: Doctrinal Theology, History
People: Friedrich Schleiermacher (1768-1834), Georg Wilhelm Friedrich Hegel (1770-1831), Albrecht Ritschl (1822-1889), Ernst Troeltsch (1865-1923), Søren Kierkegaard (1813-1855), Karl Barth (1886-1968)
Time periods: 19th century, 20th century