Momosuke Fukuzawa (福澤 桃介 Fukuzawa Momosuke, June 25, 1868 – February 2, 1938) was a Japanese businessman nicknamed "The Wizard of the Money Markets" for his financial success and "The King of Electrical Power" for being the first Japanese to introduce hydroelectric power to the country. He formulated his ideology of 'ikkasen hitokaisha' (one river for one company).
Source: “Momosuke Fukuzawa”, English Wikipedia (CC BY-SA 4.0), excerpt