Born: April 10, 1802, Bies estate, Sonneborn, Elberfeld, Germany (now part of Wupperthal).
Died: July 8, 1884, Bonn, Germany.
In 1822, Lange entered the University of Bonn as a theology student.
In the beginning of 1826, he became assistant to pastor Emil Krummacher of Langenberg. In June 1826, he was appointed second pastor at Wald, near Solingen; in 1828, second pastor of the Reformed church at Langenberg; and in 1832 second pastor at Duisburg.
He then became professor of Church History and Dogmatics at Zürich, Switzerland (succeeding D. F. Strauss), and began his duties on Easter 1841. Shortly thereafter, he received his Doctor of Divinity degree from Bonn.
After Easter 1854, he was professor of Systematic Theology at Bonn (also Consistorialrath after 1860), and continued to lecture up to five days before his death.
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