Iain Dale talks to Jon Parry, Professor of Modern History at the University of Cambridge, about the life and political career of George Hamilton-Gordon, 4th Earl of Aberdeen who served as Prime Minister from December 1852 to January 1855.

Iain Dale talks to Professor Gordon Pentland about the life and career of Viscount Goderich who served as Prime Minister for nearly five months from August 1827 to January 1828.

Iain Dale talks to historian Andrew Thompson about the life and political career of Augustus Henry Fitzroy, 3rd Duke of Grafton who served as Prime Minister for 16 months from 1768 to 1770.

Iain Dale talks to historian Andrew Thompson about the life and political career of Augustus Henry Fitzroy, 3rd Duke of Grafton who served as Prime Minister for 16 months from 1768 to 1770.

Iain Dale talks to David Laws about the life and political career of Herbert Henry Asquith, who served as Prime Minister from 1908 to 1916.

This week Iain Dale speaks to Professor Jeremy Black, Emeritus Professor of history at the University of Exeter about the life and Premiership of Thomas Pelham-Holles, better known as the first Duke of Newcastle, who served as Prime Minister for more than 7 years in two separate terms from 1754-56 and from 1757 to 1762. He was our fourth Prime Minister.

Iain talks to Lord Norton of Louth and the left and career of Sir Anthony Eden, who served as Prime Minister for 22 months between April 1955 and January 1957.

Iain Dale talks to historian Arthur Burns about the life of William Wyndham Grenville, Lord Grenville, who served as Prime Minister for thirteen months from 1806 to 1807.

Iain Dale talks to historian Jack Brown about the life and career of Arthur Balfour who served as Prime Minister for three years from 1902-05, but whose whole career spanned 56 years.

Iain Dale talks to historian Tony Little about the Marquess of Salisbury, who served as Prime Minister on three occasions in the latter years of the 19th century. At thirteen years in total he is one of our longest serving Prime Ministers.