archiveChief science officer Insider

The Bell X-1's historic supersonic flight in 1947 was a watershed moment in aviation history. This rocket-propelled research aircraft, developed by the United States military, shattered existing speed records by nearing 1,000 miles per hour. This groundbreaking feat set the stage for developing routine supersonic flight in military aviation, opening...

As of December 28, 2023, Li Ka-shing was the wealthiest man in Hong Kong, with an estimated net worth of 36.4 billion U.S. dollars, followed by Lee Shau Kee (No. 2, $28.0 billion),  Robin Zeng (No. 3, $23.8 billion); and Peter Woo (No. 4, $14.3 billion). Joseph Lau is the fifth-richest person...

As of December 28, 2023, Dieter Schwarz was the wealthiest person in Germany, with an estimated net worth of 49.8 billion U.S. dollars, followed by Klaus-Michael Kuehne (No. 2, $34.1 billion), Reinhold Wuerth (No. 3, $30.9 billion); and Stefan Quandt (No. 4, $25.6 billion). Susanne Klatten is the fifth-richest person in...

As of December 28, 2023, Barnard Arnault was the wealthiest person in France, with an estimated net worth of 200.8 billion U.S. dollars, followed by Francoise Bettencourt (No. 2, $98.4 billion), Gerard Wertheimer (No. 3, $36.4 billion); and Alain Wertheimer (No. 4, $36.4 billion). Francois Pinault is the fifth-richest person in France, with a...

As of December 28, 2023, Antti Herlin was the wealthiest person in Finland, with an estimated net worth of 4.0 billion U.S. dollars, followed by Heikki Kyostila (No. 2, $2.1 billion), Mika Anttonen (No. 3, $2.0 billion); and Ilkka Herlin (No. 4, $1.8 billion). Ilona Herlin is the fifth-richest person in Finland, with a whopping $1.6...

As of December 28, 2023, Nassef Sawiris was the wealthiest person in Egypt, with an estimated net worth of 7.4 billion U.S. dollars, followed by Mohamed Mansour (No. 2, $3.6 billion), Naguib Sawiris (No. 3, $3.3 billion). Youssef Mansour is the fourth-richest person in Egypt, with a whopping $1.5 billion. Yasseen Mansour, with a...

As of December 28, 2023, Anders Holch Povlsen was the wealthiest person in Denmark, with an estimated net worth of 7.0 billion U.S. dollars, followed by Agnete Kirk Thinggaard (No. 2, $6.9 billion), Kjeld Kirk Kristiansen (No. 3, $6.9 billion); and Sofie Kirk Kristiansen (No. 4, $6.9 billion). Thomas Kirk...

As of December 27, 2023, Renata Kellnerova was the wealthiest person in the Czech Republic, with an estimated net worth of 16.8 billion U.S. dollars, followed by Daniel Kretinsky (No. 2, $9.5 billion), Karel Komarek (No. 3, $8.3 billion); and Pavel Tykac (No. 4, $8.0 billion). Radovan Vitek is the fifth-richest person in...

As of December 27, 2023, Vinod Adani  was the wealthiest person in Cyprus, with an estimated net worth of 19.7 billion U.S. dollars, followed by John Fredriksen (No. 2, $13.9 billion), Yakir Gabay (No. 3, $3.8 billion); and Sergey Dmitriev (No. 4, $2.5 billion). Igor Makarov is the fifth-richest person in Cyprus, with a...

As of December 27, 2023, Zhong Shanshan was the wealthiest person in China, with an estimated net worth of 66.8 billion U.S. dollars, followed by Colin Zheng Huang (No. 2, $51.2 billion), Zhang Yiming (No. 3, $43.4 billion); and Ma Huateng (No. 4, $31.8 billion). William Ding is the fifth-richest person...