The former Wellingborough Grammar schoolboy started his career at Anglia Television in 1960. But bosses did not renew his contract because they did not think he was cut out for a career in TV.
Click on the link below to here Sir David talk about his time on About Anglia in September 1964.
More top news
Fine and dry with sunny spells. Breezy near the coast.
The family of a missing woman from Milton Keynes has been told a body has been found in a wood in Hertfordshire.
A changeable week for the Anglia region and turning cooler for a time.