"1938-07-16Z"^^ . "1938Z"^^ . "1859Z"^^ . "1859-11-11Z"^^ . . . . "Samuel Insull (November 11, 1859 \u2013 July 16, 1938) was a British-born American business magnate whose vast Midwest holding company empire collapsed in the 1930s. He was an innovator and investor based in Chicago who greatly contributed to creating an integrated electrical infrastructure in the United States. Insull was notable for purchasing utilities and railroads using holding companies."@en . . "Samuel Insull"@en . . . "Insull, Samuel"@en . . . "Creator of Americanelectrical infrastructure" . .