Agatha Christie received the Edgar Grand Master Award in 1955. She was the first recipient of the Mystery Writers of America’s Grand Master Award, one of the highest lifetime honours in crime fiction.
The award recognises an author’s important contribution to the mystery genre and a body of work marked by lasting significance and consistent quality. Christie had already established Hercule Poirot, Miss Marple and dozens of celebrated novels by this point, making her a natural choice for the inaugural honour.
A common mix-up is with other Christie honours from the same period. In 1955, Witness for the Prosecution won an Edgar Award for Best Play, while Christie was also appointed a CBE in the 1956 New Year Honours. Her later promotion to Dame Commander of the Order of the British Empire came in 1971.
Christie ultimately wrote 66 detective novels and 14 short-story collections. Her 1955 recognition helped formalise the reputation she had already earned as the “Queen of Crime.”