Zeppo Marx was from East Frisia in Germany; and his father was a native of France, and worked as a tailor. As with all of the Marx Brothers, there are different theories as to where Zeppo got his stage name: Groucho said in his Carnegie Hall concert in 1972 that the name was derived from the Zeppelin airship. Zeppo's ex-wife Barbara Sinatra repeated this in her 2011 book, "Lady Blue Eyes: My Life with Frank". His brother Harpo offered a different account in his 1961 autobiography, "Harpo Speaks!," claiming (p. 130) that there was a popular trained chimpanzee named Mr. Zippo, and
Adolph Friedländer are available from many sources. Despite their recognizable provenance, not all Friedländer poster designs displayed his printer's mark, nor the direct authorship note sometimes included: ""Lith Adolph Friedländer Hamburg"". Accordingly, it is believed that there are still original designs in existence that are yet to be found. This article draws heavily on the corresponding article in the , accessed in the version of 21 August 2011. Adolph Friedländer Adolph Friedländer (17 April 1851 – 7 July 1904) was a famed German lithographer of posters and a publisher hailing from Hamburg. His printshop produced over 9,000 posters between 1872 and 1935,