In Kurt Schwitters's mischievous Dadaist collage of 1921, a wheel covers the cherubs and Mary becomes a Louise Brooks lookalike with short hair and modern hat.

WSJ: The Sistine Madonna | Old Masters Picture Gallery | The Madonna Above the Cherubs | By A.J. Goldmann

Counsel for the BPS, Louise Brooks, described how the psychologist had a drink with his patient, who was suffering from stress at work, in a pub on March 28, 1999.

BBC: Psychologist staged pub therapy

Retro movie festivals featuring Weimar directing stars like Lang and Ernst Lubitsch, and actors like Peter Lorre, Louise Brooks and Emil Jannings, happen regularly at the Babylon (Rosa Luxemburg-Strasse 30, babylonberlin.de) and the Arsenal (Potsdamer Strasse 2, arsenal-berlin.de) movie houses.

WSJ: Experiencing the 1920s in Berlin, Germany