I've never really liked Broadcasting House. It looms up behind All Souls, the fake transmitter tower mocking Nash's eccentric but lovely spire. And (have I mentioned this before?) it is one of the most egregious sinners in the rape of Portland Place.
But it does feature some great sculpture, notably by Eric Gill who did the mighty figure of Prospero holding a figure of Ariel above the front door. Why the magician and control freak Prospero and his invisible enforcer Ariel were considered particularly appropriate as symbols of the new BBC is something of a mystery.
Being Gill, stories of the creation of this work abound, notably that Gill carved it in situ, standing on the scaffold wearing a monk's habit and no underwear, so passing ladies got an eyeful of his mason's tools. Also that he gave Ariel a monster wang and had to carve a few inches off it on the personal instructions of Lord Reith.
On the Portland Place front, two more bas-reliefs of Ariel depict "Ariel between wisdom and gaiety" and "Ariel hearing celestial music".