He trained to be a stage manager at the Bristol Old Vic School and afterward joined Joan Littlewood's theatre group.
[4] The manual includes advice, instructions for games, and theories of performance; it enjoyed frequent citation for decades.
[2] Barker's career in university teaching, academic publishing, and theatre research stretched over decades.
The journal aimed to "provide a lively international forum where theatrical scholarship and practice can meet, and where prevailing dramatic assumptions can be subjected to vigorous critical questioning.
Therefore the authors analyzed popular productions, and even low-brow commercial successes of types such as detective plays and musical comedy.