Rudolf Wacker (Bregenz 1893 - 1939 Bregenz) was a landscape, still life and portrait painter, and was considered one of the most important European artists of the years between the two world wars. He was an Expressionist* and a major representative of the Neue Sachlichkeit ("New Objectivity") movement in Germany and Austria.

In 1909, Wacker began his studies by attending the College for Commercial Drawing in Bregenz, Austria, and in 1910, the Bauer School of Industrial Drawing in Vienna. From 1911 to 1914, Wacker was at the Academy of Art in Weimar studying under Albin Egger-Lienz and Walter Klemm. In 1914, he was drafted into the Tyrolean Imperial Rifles Regiment, and one year later, captured in Poland by the Russi...