Keller spent his childhood and youth working for his father as a weaver and leaf-binder in Hainichen, Saxony (north-eastern Germany).
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Friedrich Gottlob Keller (born June 27, 1816 in Hainichen, Saxony – died September 8, 1895 in Krippen, Saxony) was a German machinist and inventor, who (at the same time as Charles Fenerty) invented the wood pulp process for the use in papermaking.
Hainichen concentration camp is a concentration camp at Öderanstrasse in Hainichen, Saxony, formed on April 4, 1933 by order of Amtshauptmann Döbeln.
Born in Hainichen, Zdarsa was ordained to the priesthood on March 16, 1974, serving in Dresden-Meißen.
After Hainichen's closure, the detainees were dispatched to early concentration camps at Colditz Castle and Sachsenburg.
Immediately after the fall of the wall in 1990, he returned to his homeland in Saxony, and from 1990 to 1994, served as a member of the Bundestag for the representative district, which included the communities of Glauchau, Rochlitz, Hohenstein, Ernstthal and Hainichen, in Saxony, for the Christian Democratic Union.