. . "Henry Calvert Simmons"@en . . "American economist" . . . "1946Z"^^ . "1946-06-19Z"^^ . "Simons, Henry Calvert"@en . . "Henry Calvert Simons (October 9, 1899 \u2013 June 19, 1946) was an American economist at the University of Chicago. His anti-trust and monetarist models influenced the Chicago school of economics.Simons is noted for a definition of economic income, developed in common with Robert M."@en . "1899Z"^^ . . "1899-10-09Z"^^ . .