Time on the Cross

Robert William Fogel, winner of the 1993 Nobel Memorial Prize in Economic Science, is director of the Center for Population Economics at the University of Chicago. Stanley L. Engerman is an economist and economic historian at the University of Rochester. His controversial writings on the economics of slavery with economist Robert Fogel were some of the first modern treatments of the subject.

"With one stroke [this book] turned around a whole field of interpretation and exposed the frailty of history done without science."