Hawking Index
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The Hawking Index (HI) is a mock mathematical measure on how far people will, on average, read through a book before giving up. It was invented by American mathematician Jordan Ellenberg, who created it in a blog for The Wall Street Journal in 2014.[1] The index is named after English physicist Stephen Hawking, whose book A Brief History of Time has been dubbed "the most unread book of all time".[2]