Arthur Sheekman (February 5, 1901 – January 12, 1978) was an American theater and movie critic, columnist, playwright and editor—but best known for his writing for the screen.
 His specialty was light comedy.
 Groucho Marx called him "The Fastest Wit in the West."
You Bet Your Life is an American comedy quiz series that aired on both radio and television.
 The original and best-known version was hosted by Groucho Marx of the Marx Brothers, with announcer and assistant George Fenneman.
 The show debuted on ABC Radio on October 27, 1947, then moved to CBS Radio debuting October 5, 1949, before making the transition to NBC-TV and NBC Radio on October 4, 1950.
 Because of its simple format, it was possible to broadcast the show simultaneously on radio and television.
 The last episode in its radio format aired on June 10, 1960.
 On television, however, the series continued for another year, debuting in its final season on September 22, 1960, and with a new title, The Groucho Show.
Arthur Marx (born Adolph Marx; November 23, 1888 – September 28, 1964), known professionally as Harpo Marx, was an American comedian, actor, mime artist, and musician, and the second-oldest of the Marx Brothers.
 In contrast to the mainly verbal comedy of his brothers Groucho Marx and Chico Marx, Harpo's comic style was visual, being an example of both clown and pantomime traditions.
 He wore a curly reddish blonde wig, and never spoke during performances (he blew a horn or whistled to communicate).
 He frequently used props such as a horn cane, made up of a lead pipe, tape, and a bulbhorn, and he played the harp in most of his films.
Howard Harris (February 15, 1912, New York City – March 22, 1986) was a comedy writer whose credits included "Copacabana" (1947) starring Groucho Marx and Carmen Miranda (), "The Jackie Gleason Show", "You Bet Your Life" with Groucho Marx, "Gilligan's Island", "Petticoat Junction", and other popular television shows.
Julius Henry Marx (October 2, 1890 – August 19, 1977), known professionally as Groucho Marx ( ), was an American writer, comedian, stage, film, radio, and television star.
 He was known as a master of quick wit and is widely considered one of the best comedians of the modern era.
María Vicenta Ysbert Soriano (21 April 1917 – 25 April 2011) better known as María Isbert was a Spanish actress whose credits included more than 250 Spanish films during her career.
 Isbert worked with most major Spanish film actors and directors, including Luis García Berlanga and Luis Buñuel.
 Isbert, whose credits included films, television and theater work, was most active from the 1960s to the 1980s.
Groucho glasses, also known as nose glasses or the beaglepuss, are a humorous novelty disguise which function as a caricature of the stage makeup used by the comedian Groucho Marx in his movies and vaudeville performances.
 They typically consist of black frames (either round or horn-rimmed) with attached features including bushy eyebrows, a large plastic nose, bushy moustache, and sometimes a plastic cigar.
 Considered one of the most iconic and widely used of all novelty items in the world, Groucho glasses were first marketed in the early 1940s and are instantly recognizable to people throughout the world.
 Groucho glasses today are often used as a shorthand for slapstick.
"Hooray for Captain Spaulding" is a song, originally from the 1928 Marx Brothers stage musical "Animal Crackers" and the 1930 film version.
 It later became well known as the theme song for the Groucho Marx television show "You Bet Your Life" (1950–1961), and became Groucho's signature tune and was often played when he was introduced on various talk shows and the like.
Copacabana is a 1947 American musical comedy film directed by Alfred E. Green starring Groucho Marx and Carmen Miranda.
Groucho: A Life in Revue is a stage play written by Groucho Marx's son Arthur Marx and Robert Fisher .
 With musical direction by Jim Grady.
 It is a look at the life and career of the famous entertainer Groucho Marx of the Marx Brothers and "You Bet Your Life" fame.
 It opened off-Broadway at the Lucille Lortel Theatre on October 8, 1986 and played 254 performances closing on May 3, 1987.
 It starred 23-year-old actor Frank Ferrante as Groucho Marx from age 15 to 85, Les Marsden as Harpo Marx and Chico Marx, Faith Prince as The Girls and Rusty Magee as The Citizen of Freedonia.
 It was directed by Arthur Marx.
 The play opened to rave reviews. "
The New York Times" wrote, "There is laughter in abundance" and described Ferrante's performance as "artful...his timing is digital sharp."
 The "New York Post" dubbed it "hilarious...a brilliant revue."
 "Groucho" was nominated for two NY Outer Critics Circle Awards - one for Best Play and one for Ferrante's performance.
 Ferrante won a 1987 New York Theatre World Award for 'Outstanding New Talent.'
 The play was produced by Nancy and Ronnie Horowitz.

Question: Howard Harris was a comedy writer whose credits included what show starring Groucho Marx, known as a master of quick wit and is widely considered one of the best comedians of the modern era?
Answer: "Copacabana"