Author: Gladys Mitchell
Alternate names: Gladys Mitchell; Stephen Hockaby; Malcolm Torrie; Mitchell Gladys; gladys mitchell
Born: 21 April 1901
Died: 27 July 1983
Bio: Gladys Mitchell was an English author best known for her creation of Mrs. Bradley, the heroine of 66 detective novels. She also wrote under the pseudonyms Stephen Hockaby and Malcolm Torrie.  - Wikipedia