Also attending Participation was Prime Minister Sir Godfrey Huggins of the self-governing colony of Southern Rhodesia , and representing India was The Maharaja of Jammu and Kashmir .

Part of the wider Operation Barclay , Mincemeat was based on the 1939 Trout memo , written by Rear Admiral John Godfrey , the Director of the Naval Intelligence Division and his personal assistant , Lieutenant Commander Ian Fleming .