Halford Mackinder

English geographer and politician (1861–1947)

Sir Halford John Mackinder (15 February 1861 – 6 March 1947) 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 (which became the University of Reading) from 1892 to 1903, and Director of the London School of Economics from 1903 to 1908.

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