Hans Rösiger studied architecture between 1906 and 1911. He stayed in contact with the Karlsruhe Technical University, working there as ana assistent. In 1920 he started to work as an architect and constructed several housing estates in Karlsruhe. Already in 1931 he became a member of the Nazi party NSDAP. After the war he was declared as a follower of the Nazi regime, but was able to continue in his profession being an architect. He planned many buildings in Southwest Germany.