Sir David Frosts' list of interviewees included virtually every US president and British prime minister during his working life and sporting stars, including Muhammad Ali.
During his series of five interviews with Nixon, the notoriously slippery former president known as "Tricky Dicky" dramatically admitted that he had "let down the country".
Watch clips from Frosts' interview with Nixon and Ali:
Admirers of Sir David Frost today hailed his "extraordinary" life after "one of the giants of tv" suddenly died from a heart attack.
A look at some of the famous faces interviewed by veteran broadcaster Sir David Frost, who has died of a heart attack, at the age of 74.