Frank Roberts was born in Buenos Aires on 27 October 1907, the son of Henry George Roberts. He was educated at Bedales School (Hampshire), then at Rugby School and at Trinity College, Cambridge. In 1937 he married Celeste Leila Beatrix (died 1990) the daughter of late Sir Said Shoucair Pasha. They had no children.
Roberts had a long and successful diplomatic career. He entered the Foreign Office in 1930 serving first at the Embassy in Paris, (1932-35) and at Cairo (1935-37). He was Chargé d'Affaires to the Czechoslovak Government (1943); British Minister in Moscow (1945-47); Principal Private Secretary to Secretary of State for Foreign Affairs (1947-49); Deputy High Commissioner in India (1949-51); Deputy-Under Secretary of State, Foreign Office, (1951-54); Ambassador to Yugoslavia (1954-57); UK Permanent Representative on the North Atlantic Council (1957-60); Ambassador to the USSR (1960-62) and then to the Federal Republic of Germany (1963-68).
Roberts also held a number of positions within other organisations and was a Director of Hoechst (UK) and Daimler-Benz (UK). He was Chairman (1970-73), President (1973-83), then Vice-President of the European Atlantic Group (1983-); President of the Atlantic Treaty Association (1969-73); and also President of the Atlantic Council of UK (formerly British Atlantic Committee) (1968-81).
Roberts died in 1997.
The collection held at Churchill Archives Centre comprises Roberts' personal papers and includes: correspondence and press cuttings relating to Roberts' diplomatic career and postings to Bonn and Moscow; material relating to international organisations (NATO, the British Atlantic Committee and the Atlantic Treaty Association); annotated proofs of Roberts' book "Dealing with Dictators" (published in 1991); correspondence between Roberts and his parents; photographs; and articles and papers by Roberts.
The papers were deposited at Churchill Archives Centre in 1998 by the executors of Roberts' will.