Heydon Prowse: Heydon Prowse. Actor: The Secret Garden. Heydon Prowse (born 19 February 1981) is a British activist, journalist, satirist, director and comedian. He is best known for writing and performing in BBC Three's Bafta-winning The Revolution Will Be Televised alongside Jolyon Rubinstein. As part of that show, he gave George Osborne a GCSE maths text book, a stunt that featured on the front cover of the Daily Telegraph and other publications...