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Gerhard Wallach was the father of Otto Wallach, a German chemist who won the Nobel Prize in Chemistry in 1910 for his work on alicyclic compounds. Otto Wallach was born in Königsberg, Prussia (now Kaliningrad, Russia) on March 27, 1847. His father was a professor of law at the University of Königsberg. Otto Wallach studied chemistry at the University of Göttingen and the University of Berlin.