Catherine Aird (1930–2024) was the author of more than twenty books of detective mysteries and three collections of short stories, most of which feature Detective Inspector C. D. Sloan and Detective Constable W. E. Crosby. Aird held an honorary master’s degree from the University of Kent and was appointed an MBE in 1998. In recognition of her significant contribution to crime writing she was awarded the Crime Writers’ Association Diamond Dagger in 2015.
