The Marx Brothers. Marx Brothers were the immensely popular family act known for their stage and film performances from the early 1920s to the late '60s, including Animal Crackers, Duck Soup and A Night at the Opera. Groucho Marx (1890-1977) Groucho spent nearly seven decades making people laugh with his snappy one-liners and sharp wit. Zeppo Marx (1901-1979) Zeppo was the handsomest sibling, but often underappreciated as the straight man and young romantic lead. Harpo Marx (1888-1964) Harpo was a talented comedian and mime who performed with his brothers as part of the famous Marx Brothers comedy act. Chico Marx (1887-1961) Chico had an antic personality and a savvy eye for how to keep the group going, but that was also because he had a weakness for both gambling and chasing women. and Gummo Marx (1892-1977) Gummo, the "forgotten" Marx brother, , was the first to leave the act to enlist in World War I and become a businessman. The book The Marx Brothers, by Kyle Crichton, Doubleday & Company, 1950, signed with their first names only on the title page next to their cartoon images. The dust jacket has wear and sun fading on the spine, the cover is loose but completely intact. Zeppo’s signature is suspect.