Marx Brothers made a guest appearance to introduce the "Tonight Show's" new host, Johnny Carson. Around 1960, the acclaimed director Billy Wilder considered writing and directing a new Marx Brothers film. Tentatively titled "A Day at the U.N.", it was to be a comedy of international intrigue set around the United Nations building in New York. Wilder had discussions with Groucho and Gummo, but the project was put on hold because of Harpo's ill-health and abandoned when Chico died in 1961. He was 74. Three years later, on September 28, 1964, Harpo died at the age of 75 of a heart attack
Groucho Marx but in one of his last interviews he suggested one: "Excuse me, I can't stand up." Litigation over his estate lasted into the 1980s. Eventually, Arthur Marx and his sisters were awarded the bulk of the estate, and Erin Fleming was ordered to repay $472,000. Groucho Marx was, and remains, the most recognizable and well-known of the Marx Brothers. Groucho-like characters and references have appeared in popular culture both during and after his life, some aimed at audiences who may never have seen a Marx Brothers movie. Groucho's trademark eyeglasses, nose, mustache, and cigar have become icons of comedy—glasses with