The head of drama Sydney Newman was mainly responsible for developing the programme, with the first format document for the series being written by Newman along with the head of the script department (later head of serials) Donald Wilson and staff writer C. E. Webber.
Dramaoverhovedet Sydney Newman var hovedansvarlig for udviklingen af programmet, med det første format dokument for serien skrevet af Newman sammed med overhovedet for manuskript-departementet (senere serial-overhovedet) Donald Wilson og stab-forfatter C. E. Webber.