Theodor Jellinghaus (1841-1912), theologian and leader of the Heiligungsbewegung (Holiness Movement), was one of the fathers of the Gemeinschaftsbewegung (Fellowship Movement) in Germany, a new organized expression of the Pietist tradition in nineteenth-century German Protestantism. The key event for the life and work of Jellinghaus was his participation in the convention on Christian holiness in England in 1874. He wanted to bring the new insights he gained there to revive the Protestant and...