3Steps (Kai H. Krieger, Joachim Pitt and Uwe H. Krieger) in their Giessen studio (2014) Uwe H. Krieger (right), alias Doc Nova, discovered his interest in graffiti and street art in 1997. In the mid-2000s, he established an agency for graffiti and mural art. He studied human medicine at the Justus Liebig University in Giessen and in Zurich from 2001 to 2008. From 2008 to 2011, he earned his doctorate in human medicine (Dr. med.) in 2012 from the Justus Liebig University in Giessen.[16] Uwe Read more [...]