Credit for the first Who's Bigger? blurb goes to Dr. Eric Siegel, founder of Predictive Analytics World and author of Predictive Analytics: The Power to Predict Who Will Click, Buy, Lie, or Die
"Absolutely groundbreaking: The first full scale, data driven undertaking to weigh the historical and cultural impact of persons. This work injects a much needed dose of quantitative rigor into the field of history itself. How do the greatest legacies of yesteryear stack up, not only against one another, but against the power of today's celebrity royalty? This thorough treatment illuminates, validates, and even augments history as a discipline."