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
Zeppo Marx Zeppo Marx Herbert Manfred "Zeppo" Marx (February 25, 1901 – November 30, 1979) was an American actor, comedian, theatrical agent, and engineer. He was the youngest of the five Marx Brothers. He appeared in the first five Marx Brothers feature films, from 1929 to 1933, but then left the act to start his second career as an engineer and theatrical agent. Zeppo was born in Manhattan, New York City on February 25, 1901. His parents were Sam Marx (called "Frenchie" throughout his life), and his wife, Minnie Schönberg Marx. Minnie's brother was Al Shean. Marx's family was Jewish. His mother