input: Johnson and Larry Bird were first linked as rivals after Johnson's Michigan State squad defeated Bird's Indiana State team in the 1979 NCAA finals. The rivalry continued in the NBA, and reached its climax when Boston and Los Angeles met in three out of four NBA Finals from 1984 to 1987. Johnson asserted that for him, the 82-game regular season was composed of 80 normal games, and two Lakers-Celtics games. Similarly, Bird admitted that Johnson's daily box score was the first thing he checked in the morning. Several journalists hypothesized that the Johnson-Bird rivalry was so appealing because it represented many other contrasts, such as the clash between the Lakers and Celtics, between Hollywood flashiness ("Showtime") and Boston/Indiana blue collar grit ("Celtic Pride"), and between blacks and whites. The rivalry was also significant because it drew national attention to the faltering NBA. Prior to Johnson and Bird's arrival, the NBA had gone through a decade of declining interest and low TV ratings. With the two future Hall of Famers, the league won a whole generation of new fans, drawing both traditionalist adherents of Bird's dirt court Indiana game and those appreciative of Johnson's public park flair. According to sports journalist Larry Schwartz of ESPN, Johnson and Bird saved the NBA from bankruptcy. Despite their on-court rivalry, Johnson and Bird became close friends during the filming of a 1984 Converse shoe advertisement that depicted them as enemies. Johnson appeared at Bird's retirement ceremony in 1992, and described Bird as a "friend forever"; during Johnson's Hall of Fame ceremony, Bird formally inducted his old rival. In 2009, Johnson and Bird collaborated with journalist Jackie MacMullan on a non-fiction book titled When the Game Was Ours. The book detailed their on-court rivalry and friendship with one another.

Answer this question "Are there any other interesting aspects about this article?"
output: The rivalry was also significant because it drew national attention to the faltering NBA. Prior to Johnson and Bird's arrival, the NBA had gone through a decade of declining interest

Problem: Background: Dame Agatha Mary Clarissa Christie, Lady Mallowan, (nee Miller; 15 September 1890 - 12 January 1976) was an English writer. She is known for her 66 detective novels and 14 short story collections, particularly those revolving around her fictional detectives Hercule Poirot and Miss Marple. Christie also wrote the world's longest-running play, a murder mystery, The Mousetrap, and six romances under the name Mary Westmacott. In 1971 she was appointed a Dame Commander of the Order of the British Empire (DBE) for her contribution to literature.
Context: Christie had long been a fan of detective novels, having enjoyed Wilkie Collins's The Woman in White and The Moonstone, as well as Sir Arthur Conan Doyle's early Sherlock Holmes stories. She wrote her own detective novel, The Mysterious Affair at Styles, featuring Hercule Poirot, a former Belgian police officer noted for his twirly large "magnificent moustaches" and egg-shaped head. Poirot had taken refuge in Britain after Germany invaded Belgium. Christie's inspiration for the character stemmed from real Belgian refugees who were living in Torquay and the Belgian soldiers whom she helped treat as a volunteer nurse in Torquay during the First World War. Agatha began working on The Mysterious Affair at Styles in 1916, writing most of it on Dartmoor. Her original manuscript was rejected by such publishing companies as Hodder and Stoughton and Methuen. After keeping the submission for several months, John Lane at The Bodley Head offered to accept it, provided that Christie change the ending. She did so, and signed a contract which she later felt was exploitative. It was finally published in 1920. Christie, meanwhile, settled into married life, giving birth to her only child, daughter Rosalind Margaret Hicks, in August 1919 at Ashfield, where the couple spent much of their time, having few friends in London. Archie left the Air Force at the end of the war and started working in the City financial sector at a relatively low salary, though they still employed a maid. Christie's second novel, The Secret Adversary (1922), featured a new detective couple Tommy and Tuppence, again published by The Bodley Head. It earned her PS50. A third novel again featured Poirot, Murder on the Links (1923), as did short stories commissioned by Bruce Ingram, editor of The Sketch magazine. In order to tour the world promoting the British Empire Exhibition, the couple left their daughter Rosalind with Agatha's mother and sister. They travelled to South Africa, Australia, New Zealand, and Hawaii. They learned to surf prone in South Africa; then, in Waikiki, they were among the first Britons to surf standing up.
Question: What is Poirot?
Answer: a former Belgian police officer noted for his twirly large "magnificent moustaches" and egg-shaped head.

Question: Terence Joseph "Terry" Nation (8 August 1930 - 9 March 1997) was a Welsh television writer and novelist. Nation first made his name as a comedy writer before becoming a prolific writer for drama, working on many of the most popular British series of the 1960s and 1970s. He made a significant contribution to the long-running BBC science-fiction series Doctor Who from its outset, creating the villainous Daleks which established its early popularity and later devising the recurring character of Davros.

Prior to this, Nation had declined an offer from scriptwriter David Whitaker to write for a new science-fiction programme that was entering production at the BBC; Whitaker had been impressed by a script that Nation had written for the ABC anthology series Out of this World. Now unemployed, and with a young family to support, Nation contacted Whitaker and accepted the offer, writing the second Doctor Who serial, The Daleks (also known as The Mutants and The Dead Planet). The serial introduced the eponymous extraterrestrial villains that would quickly become the series' most popular and enduring monsters, and resulted in a major merchandising success for the BBC. Having risen in the public consciousness, Nation went on to contribute further scripts to Doctor Who. In 1965, Nation and Dennis Spooner co-wrote the 12-part serial The Daleks' Master Plan, after which Nation, who still held the copyright to the Daleks, attempted to launch a Dalek spin-off TV series in the United States. Various other Dalek tie-in material appeared, including comic strips in the children's weekly TV Century 21 and annuals; such material was frequently credited to Nation, even when written by others. Between 1966 and 1972, appearances by the Daleks in Doctor Who became less frequent and were written for the series by other authors. In 1973, following an eight-year absence from scriptwriting for the series, Nation returned to writing for the Daleks on Doctor Who with the Third Doctor serial Planet of the Daleks. In 1998, readers of Doctor Who Magazine voted Nation's 1975 serial Genesis of the Daleks the greatest Doctor Who story of all time. In the story, Nation introduced the character of Davros, the creator of the Daleks, who went on to appear in further storylines. Nation also wrote two non-Dalek scripts for Doctor Who, The Keys of Marinus in 1964, which introduced the Voord and The Android Invasion in 1975, which introduced the Kraal. During this time, Nation also worked in commercial TV, contributing scripts to series such as The Avengers, The Baron, The Champions, Department S, The Persuaders! and The Saint. Nation's work on Doctor Who was the subject of the documentary Terror Nation, a special feature on the BBC DVD release of the serial Destiny of the Daleks.

Using a quote from the above article, answer the following question: Was his work ever criticized?
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Answer:
resulted in a major merchandising success for the BBC.