Richard Stockton ("Scotty") MacNeish was an American archaeologist and Mesoamericanist scholar, who conducted pioneering research into the origins of agriculture, plant domestication and the rise of sedentary cultures in the pre-Columbian Americas. Later in his career he conducted similar research on the origins of agriculture in East Asia. Wikipedia
The definitive Wikipedia entry for Richard MacNeish. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Richard_MacNeish