I bet he knows how to refold a road map!

Cortez writes “Dean of map collectors David Rumsey took his hobby and created the unique:
http://www.techreview.com/articles/05/07/issue/for ward_landsat.asp
“Rumsey spent years combing the world for 18th- and 19th-century maps of North and South America. At the time, the maps were not in great demand and therefore cheap; he would often buy 30 or 40 in a day.””