Author Dorothy Hobson has described Ian as a typical Thatcher's child, a term used to reference children who grew up in the premiership of UK Prime Minister Margaret Thatcher and who adopted the ideology of Thatcherism, such as personal financial gain, self-sufficiency and disregard of the welfare of those who are less well-off.
Seldon's widow Marjorie was interviewed about his work at the IEA and the rise of Thatcherism for the 2006 BBC TV documentary series Tory! Tory! Tory!.
She remains a member of the Executive Committee of the Thatcherite pressure group Conservative Way Forward and is President of the Ronald Reagan Memorial Fund Trust.
Hoskyns was interviewed about Stepping Stones and the rise of Thatcherism for the 2006 BBC TV documentary series Tory! Tory! Tory!.
Privatization was an enduring legacy of Thatcherism; it was accepted by the Labour administration of Tony Blair.
Thatcher's close friend Woodrow Wyatt recounted in his diary on 3 February 1989 a conversation he had with Rupert Murdoch who wanted Thatcher to write her equivalent of Mikhail Gorbachev's Perestroika, explaining her philosophy and that John O'Sullivan could do all the "donkey work" for her.
Written by Jules Marshall, the article announced an organized cultural response to Thatcherism in the British Isles.