List of works by the German architect Erich Mendelsohn. * Taharah building in Allenstein (1913), today known as the Mendelsohn house. * Workers' colony for the Builders' Union in Luckenwalde (1919–1920) * Garden pavilion of the Herrmann family, Luckenwalde (1920) * Work hall of the Herrmann hat factory, Luckenwalde (1919–1920) * Conversion of the administration building of the Hausleben insurance company, Berlin (1920) * Einsteinturm (Observatory on the Telegraphenberg) in Potsdam, 1917 or 1920–1921 (building), 1921–1924 (technical equipment). The building, its expressionistic form giving the impression of concrete as a building material, was mostly built in brick and then covered with plaster. Mendelsohn explained this was because of delivery problems; however, it is presumed that t