“Thatcher was Britain’s most important politician of the postwar era, her only rival for that title being Clement Attlee, creator of the welfare state. Her critics forget or ignore just how parlous was the state of Britain in 1979, and offer no credible policy alternatives about how the country could have been saved from union tyranny, hugely inefficient and loss-making state-owned industries, the stagnation of enterprise.

Her contribution to making Britain once more a viable proposition is almost impossible to overstate"