Michael Ashcroft Quotes
In the 1990s, the Lib Dems won a string of byelections at the expense of struggling Conservative governments. Christchurch, Ribble Valley and Eastbourne went straight back to the Tories at the next general election, but the Lib Dems held their later byelection gains - Eastleigh, Newbury and Romsey - in at least two subsequent general elections.
Ashcroft, Michael. "Eastleigh and the Lib Dem Byelection Record." Conservative Home, 2013.
Margaret Thatcher has been one of the more dramatic examples.
Michael Anthony Ashcroft, Baron Ashcroft, KCMG, PC is a British–Belizean businessman, pollster and politician. He is a former deputy chairman of the Conservative Party. Ashcroft founded Michael A. Ashcroft Associates in 1972 and is the 95th richest person in the UK, as ranked by the Sunday Times Rich List 2017, with an estimated fortune of £1.35 billion.