Plot: The contenders tonight are: Bernard Howell (civil servant) Life and music of Frederick Delius; James Palmer (retired university lecturer) History of British aviation, 1909-60; Elizabeth Mailer (university librarian) The women's suffrage movement in Britain, 1867-1918; Frank Rogers (teacher) 19th-century Irish history. The Institution of Electrical Engineers on Savoy Hill in London is the setting for this week's programme, in the building in which the BBC established regular broadcasting in 1923