Fernando Pessa was the voice at BBC's Portuguese Service during WW2. Invited in 1938 to work there, while he was serving our national broadscast station [Emissora Nacional] he obtain full agreement of the Director, Capt. Henrique Galvão. He worked in London, at The Broadcasting House and at and Evesham [see here], for eight and half years. See this documentary [in Portuguese, after 12:37 till 29:05].