David Spindler is an independent American scholar of the Great Wall of China and is one of its leading researchers. He was recently profiled in an article in "The New Yorker". David has spent the last nine years researching the Great Wall. He attended Dartmouth College and Harvard Law School, and spent two years as a consultant at McKinsey & Company. Wikipedia
The definitive Wikipedia entry for David Spindler. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/David_Spindler