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 special material for the show, but the script for the classic "Napoleon Scene" was probably supplied by Groucho. On January 16, 1977, the Marx Brothers were inducted into the Motion Picture Hall of Fame. With the deaths of Gummo in April 1977, Groucho in August 1977, and Zeppo in November 1979, the brothers were gone. But their impact on the entertainment community continues well into the 21st century. Many television shows and movies have used Marx Brothers references. "Animaniacs" and "Tiny Toons", for example, have featured Marx Brothers jokes and skits. Hawkeye Pierce (Alan Alda) on "M*A*S*H" occasionally put on