South Africa, Sept. 5 -- But, almost a century on, what is the BBC's colonial legacy and how does the public broadcaster serve a post-colonial media space? We asked the editors of a new book, called The BBC's Legacy in Africa: Continuities and Change, about their study.

What was the BBC's colonial operation all about?

The BBC was established in 1922. Within a few years, it became a colonial platform. This began with the British Colonial Office's decision to set up radio broadcasting in its colonies. The goal was to enhance communication between the governors and the governed. The BBC was engaged to help with the project.

Between the late 1920s and 1930, the BBC tried broadcasting in most parts of the empire, including Africa. At the 19...