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
For some parts of the region, there's a risk of thunderstorms tonight before a mainly fine weekend.
Suffolk fire crews and care home managers have been practicing a major fire at a nursing home near Bury St Edmunds.
Last minute preparations are going on at the church where Princess Charlotte is to be christened on Sunday