For which BBC program is this British journalist and a presenter, who is married to the youngest child of Frank Giles, best known?
Frank Giles Frank Thomas Robertson Giles (born 31 July 1919) was editor of the British "Sunday Times" newspaper from 1981–83, having served as deputy editor under his predecessor Harold Evans. He stood down in the wake of the Hitler Diaries scandal. He is the son of Col Frank Lucas Netlam Giles OBE (d. 1930) and Elgiva Mary Ackland-Allen (1890-1970), who were married in 1916 in the bride's home parish of St. Hilary in the Vale of Glamorgan. The Ackland-Allen family of St. Hilary Manor and Elgiva's maternal ancestors, the Bearcrofts, are well documented in "The Longcrofts: 500 Years of a British Family" by James Phillips-Evans (2012). Frank married Lady Katherine Sackville ('Kitty') in 1946 and they had three children, the youngest of whom, Belinda, is married to television broadcaster David Dimbleby.
Cliff Michelmore Arthur Clifford "Cliff" Michelmore, CBE (11 December 1919 – 17 March 2016) was an English television presenter and producer. He was best known for the BBC television programme "Tonight", which he presented from 1957 to 1965. He also hosted the BBC's television coverage of the Apollo moon landings, the Aberfan disaster, the 1966 and 1970 UK general elections and the investiture of Prince Charles as Prince of Wales in 1969. He was appointed Commander of the Order of the British Empire (CBE) in 1969.