Russell Gordy owns 239,000 acres from Texas to Wyoming
The book is a sequel to 'Capital in the 21st Century,' which has sold more than 2.5 million copies in 40 languages since 2013, according to its publisher
Number is down to 71 from all-time high of 90 at the end of March 2018
Mordashov, 53, made the bulk of his $19.8 billion fortune from steelmaker Severstal PJSC
More than 20 billionaires have been identified within European families in the past 12 months, according to the Bloomberg Billionaires Index
Egalitarian Sweden, an object of ardent progressive adoration, has more billionaires per capita than the United States
Jeff Bezos, Bill Gates and Peter Thiel are funneling cash into nuclear fusion projects.
Billionaires' wealth enjoyed its greatest-ever increase in 2017, rising 19 per cent to $8.9 trillion ($7.8 billion euros) shared among 2,158 individuals, says a UBS report
Their combined net worth is $1.08 trillion
With 1094 billionaires, Mumbai leads the country, followed by Delhi at a distant second with 545