Joint pseudonym of William L. Breit and Kenneth G. Elzinga. William L. Breit was born in New Orleans, Louisiana and was a professor of economics at Trinity University, San Antonio. Kenneth G. Elzinga was born in Coopersville, Michigan and is a professor of economics at the University of Virginia. They are the creators of 'Henry Spearman', a Harvard economist and amateur sleuth who solves murders using principles of economics.