Portrait of Halford Mackinder

Halford Mackinder

British geographer, academic and politician

Lived
1861–1947

Updated September 2026

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About Halford Mackinder

Sir Halford John Mackinder was a British geographer, academic and politician, who is regarded as one of the founding fathers of both geopolitics and geostrategy. He is considered to have introduced the terms "manpower" and "heartland" into the English language. He was the first Principal of University Extension College, Reading from 1892 to 1903, and Director of the London School of Economics from 1903 to 1908. Initially a liberal and free market proponent, he shifted to support a protectionist and conservative view from 1903. While continuing his academic career part-time, he was also the Conservative and Unionist Member of Parliament for Glasgow Camlachie from 1910 to 1922. From 1923, he was Professor of Geography at the London School of Economics.

Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.

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Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers, free texts from Project Gutenberg. Last updated September 2026.