Circus Althoff. Trained Animals Circus Poster. Hamburg: Adolph Friedlander, ca. 1920s. Color lithograph one-sheet poster, bearing humorous vignettes of the trained circus livestock and a portrait of the manager. 37 x 27 ½”. Mounted to board, chips to margins, old folds and creases. B. Animal psychology was the specialty of Adolph Althoff, who in the early twentieth century took over as manager of the circus started by his family in seventeenth century. Althoff received honors from the Yad Vashem Holocaust memorial in 1995 for his efforts to help Jews and other vulnerable people traveling with his company when the Nazi Gestapo visited their quarters.