Sir Martyn John Dudley Lewis is a Welsh television news presenter and broadcast journalist who anchored ITN news bulletins between 1978 and 1986 and BBC News television shows from 1986 to 1999. Lewis attended Dalriada School and Trinity College, Dublin, before working as a freelance correspondent for BBC Northern Ireland and Harlech Television (HTV). He joined ITN in 1970 and headed its Northern Bureau from 1971 to 1978. Between 1978 and 1986, Lewis was an anchor for ITN's News at 5.45 and half-hour News at Ten bulletins, creating the "And finally..." segment that features positive stories at the end of each News at Ten programme.

Dalriada School is a mixed voluntary grammar school in Ballymoney in the north of County Antrim in Northern Ireland, named after the Kingdom of Dál Riata. In 2008 the school won the Northern Ireland State Secondary School of the Year award from The Sunday Times.