Rotblat thanks BR for his letter and the cheque for £140. He thinks they will need to wait to hear from Cyrus Eaton before finalizing the Conference and who will be invited. He asks BR to write an article for the New Scientist on the political arguments against H-bomb tests, before the British tests take place.

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

The original letter is located at record 116956.