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
Marx Brothers regarded Leo McCarey, is the highest rated of the five Marx Brothers films on the American Film Institute's "100 years ... 100 Movies" list. It did not do as well financially as "Horse Feathers", but was the sixth-highest grosser of 1933. The film sparked a dispute between the Marxes and the village of Fredonia, New York. "Freedonia" was the name of a fictional country in the script, and the city fathers wrote to Paramount and asked the studio to remove all references to Freedonia because "it is hurting our town's image". Groucho fired back a sarcastic retort asking them to