Who was Britain’s greatest prime minister? Episode 8: Margaret Thatcher

In the latest episode of our new series profiling the prime ministers that experts believe accomplished most during their time in 10 Downing Street, historian and author Andrew Roberts nominates Margaret Thatcher, who combined ideological drive with steely determination.

• Read more: Thatcher and Queen Elizabeth II: what was their relationship like?
• Explore more episodes in our Britain's Greatest Prime Minister podcast series