Short answers, pulled from the story.
Margaret Mitchell wrote Gone with the Wind, published in June 1936. It was the only novel she published during her lifetime. It won the National Book Award for Fiction for Most Distinguished Novel of 1936 and the Pulitzer Prize for Fiction in 1937.
Margaret Mitchell was struck by an off-duty taxi driver named Hugh Gravitt on the evening of the 11th of August, 1949, as she crossed Peachtree Street at 13th Street in Atlanta. She died five days later, on the 16th of August, 1949, at Grady Hospital at the age of 48. Gravitt was convicted of involuntary manslaughter in November 1949.
Yes. Mitchell worked as a feature writer for The Atlanta Journal Sunday Magazine from December 1922 until May 1926. In that time she wrote 129 feature articles, 85 news stories, and several book reviews, covering subjects ranging from Rudolph Valentino to Confederate generals.
Mitchell wrote a romance novella, Lost Laysen, at age fifteen in 1916. It was given to a boyfriend, remained undiscovered until 1994, and was published in 1996, becoming a New York Times Best Seller. A collection of her newspaper articles for The Atlanta Journal was also republished in book form after her death.
Mitchell's maternal great-grandfather Philip Fitzgerald owned a plantation called Rural Home near Jonesboro, Georgia, the same area where the fictional Tara plantation is set. Her grandfather Russell Crawford Mitchell served in Hood's Texas Brigade and was wounded at the Battle of Sharpsburg. Her grandmother Annie Stephens provided firsthand accounts of the Civil War and Reconstruction in Atlanta until her death in 1934.
Margaret Mitchell was married twice. Her first marriage to Berrien Kinnard Upshaw took place on the 2nd of September, 1922, and ended in divorce on the 16th of October, 1924, after Upshaw's alcoholism and violence made the marriage untenable. She married John Robert Marsh on the 4th of July, 1925, and they remained together until her death.