Crossword Genius

Radio broadcast of quiet sound British philosopher (7)

Ross

I believe the answer is:

russell

I'm a little stuck... Click here to teach me more about this clue!

'philosopher' is the definition.
(Bertrand Russell)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for russell that I've seen before include "Bertrand ___ , philosopher and mathematician, d. 1970" , "Philosopher - prime minister - film director" , "He did philosophy" , "Brand" , "Ken -, Eng. film director (Women in Love)" .)

I've seen this clue in The Independent.
Want a hint initially instead of a full solution? Install my app