Martyn Lockwood served as a police officer with the Essex Police between 1966 and 1996, retiring in the rank of Inspector. He currently works as the Contingency Planning Manager for the force, and has been involved with the Essex Police Museum since 1991, for which he acts as Secretary to the Trustees. He also edits a local history journal and is the author of The Essex Police Force: A History. He lives in Dunmow, Essex.
