Walter Klingenbeck was 19 years old when he was executed by the Nazis. His crime was painting the V for Victory sign of the Allies on street signs and mailboxes. Gertrud Liebig was 17 when she was sent to the Buchenwald concentration camp for two years for reading newspapers and pamphlets forbidden by the Nazis.
![Nazi resistance exhibit to make US debut at UMSL](https://blogs.umsl.edu/news/files/2012/08/panel-495.jpg)