Short answers, pulled from the story.
Arnold Schoenberg was born on the 13th of September 1874 in the Leopoldstadt district of Vienna. He was born into a lower middle-class Jewish family in a neighborhood that had once served as a Jewish ghetto.
Arnold Schoenberg developed the most influential version of the dodecaphonic or twelve-tone method of composition. This technique was later given the alternative name serialism by René Leibowitz and Humphrey Searle in 1947.
Arnold Schoenberg died on Friday the 13th of July 1951 shortly before midnight. He had been sick and anxious all day and his death was attributed to his triskaidekaphobia and the stress of his 76th birthday.
Arnold Schoenberg emigrated to the United States on the 31st of October 1933 and eventually settled in Los Angeles. He bought a Spanish Revival house at 116 North Rockingham in Brentwood Park near the UCLA campus in May 1936 or 1937.
Notable students of Arnold Schoenberg included Anton Webern, Alban Berg, Hanns Eisler, John Cage, and Lou Harrison. His students went on to become influential teachers at major American universities such as USC, UCLA, and Harvard.