Rudolf Heinrich Zille (January 10, 1858 – August 9, 1929) was a famous German illustrator and photographer, specialised in portraying daily life of the common, often poor people of Berlin.
His subjects included poverty, drug abuse, prostitution and other darker sides of 1920s Berlin but he somehow always managed to show the good and positive of mankind as well.
In the Schlossmuseum in Berlin you can now see some of his best work.
Many of these pictures inspired me to build 1920s Berlin and when you look at them you may recognize locations and even characters.
You can see some pictures of the opening here in our Flickr Album.