Christian Gottlieb Gerlach was a German Kantor. He studied at the Thomasschule in Leipzig from 1719 to 1726, and enrolled at University of Leipzig in 1727. Like other J.S. Bach's pupils, he helped him in copying in 1723-1725. After his studies he became Kantor in Rochlitz.
Source: fine-print footnotes in the Bach-Dokumente; NBA list of
J.S. Bach's copyists
Contributed by Thomas Braatz (January 2011)