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
Biographies of Karl Marx / New York: John Wiley & Sons.[3] Originally published as part of a series "Modern Sociologists". Reissued 1963. Published in original German version 1967. Translated in Italian, French, Spanish and Greek. Many times reissued. Written by Heinrich Gemkow. Marx, Life and Works (New York: Macmillan, 1980) Karl Marx: An intellectual biography is a biography of Karl Marx by Rolf Hosfeld. Marx I is a biography by Michel Henry. Followed by Marx II. Karl Marx: Anthropologist is a book by American professor and chair of anthropology Thomas C. Patterson. Karl Marx: An Overview of his Biographies by Angelo Segrillo. Biographies of