[3] After the 1930s, Tschirch was viewed with skepticism due to his affiliation with National Socialism and being a member of the Nazi Party.
After being injured, he worked at the Imperial army press office in Berlin, producing posters for the department of pictorial propaganda from 1916 to the end of the war.
[6] These posters featured darkly colored war targets with corresponding text and messages encouraging wartime perseverance.
His productivity and willingness to experiment made him a fitful, yet successful, artist in Mecklenburg during the early Golden Twenties.
Tschirch was also considered a master of portrait art who was adept at capturing the character and traits of his clients.
[3] In the summer of 1937, there were discussions about whether some of his works from the early 1920s should be classified as degenerate art and removed from the State Museum Schwerin.