doi:10.7916/d8-2s66-ey03Marriage Settlement between Andrew Carnegie and Louise WhitfieldCarnegie, Andrew, 1835-1919legal documentstextPhilanthropistsIn this prenuptial agreement between Andrew Carnegie and Louise Whitfield, Louise gave up her rights to her husband's estate in return for an annual income of $20,000 (over 3 million dollars in today's money). The bulk of Andrew Carnegie's estate was to be devoted to charitable and educational purposes, with Louise's full approval.