Rotblat has spoken with Percy Cudlipp, Editor of the New Scientist, about an article against the H-bomb. Cudlipp agreed to the controversial subject so long as they could find someone to write an article on the opposing view. Rotblat has written to Sir George Thomson to see if he would write the article in favour.

Source: Churchill Archives Centre, RTBT 5/1/1/6 File 3.

The original of this letter is located at record 116991.